P1028 code/check engine light troubleshooting. Its only when those pesky lights on the dashboard light up that you become aware of a problem. Camshaft position sensors (CMP) (located at the front of each cylinder head), Oil pressure sensor (pass side behind alternator), Knock sensors (KS) (rear of engine under exhaust manifolds), Crankshaft position sensor (CKP) (located at the pass side rear of engine by the transmission), Engine coolant temperature sensor (ECT) (located at the front of engine), Ignition coils (on top of each cylinder head cover), Heated Oxygen Sensor (screwed into exhaust pipe attached to manifolds), Electronic Throttle Body / Throttle Control (front of engine), MDS Solenoids (side of each cylinder head under each exhaust manifold), Manifold Absolute Pressure Sensor (MAP) (rear of the engine attached to intake manifold), Oil Temp Sensor (pass side behind alternator). To be hot and take layers off, or to be cold and put layers on. Its a small package with a large responsibility. Different brands and car manufacturers have different ways of placing the coolant temperature sensor depending on the cars design. Guaranteed to Fit. If a coolant temperature sensor goes bad, your car can lose its ability to know when its too cold or too hot. Also, it means your engine is too hot, and thats bad news. And here I am now talking to you. Unless you're a 2015 Cherokee owner, then I bet you're not surprised at all. Thats to make them so simple that an idiot can understand that something is wrong. Hello William. There is 3 on top of engine.. Also get Ignition Control Module tested at parts store. For a 99 Dodge Ram 1500, 5.9 M, where can I buy a ECT pigtail? FixJeeps.com and Power Addicts YouTube are Amazon partners. Changing cooling fluid it's a bit tricky process but it can be done by yourself. A bad air-fuel mixture can also cause the engine performance to drop drastically. So, let me muddy the waters a little further. Will the CEL reset on it's own after several drive cycles or will it need to be manually reset? You'd be surprised. Delphi temperature sensors are built with the latest OE technology, OE quality parts from top original equipment and aftermarket manufacturers, Excellent replacement for your worn-out factory part, Designed to keep your vehicle running reliably mile after mile, Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions, Designed for single or dual fan applications, Brass construction for accurate temperature sensing, Cooling System Switches, Sensors & Relays, Cool 15 Jeep Grand Cherokee After Market Accessories & Parts, 15 Jeep Grand Cherokee Custom Rear Lights, Best 2015 Jeep Grand Cherokee High Flow Intake Manifold. 227,868 miles, $88 - However, most coolant temperature sensors take about 30 to 60 minutes to replace. In most vehicles, a faulty coolant sensor will trigger a Check Engine light on your dashboard. Some white smoke comes out of exhaust when giving revs also. All rights reserved, FixJeeps.com, its owners and affiliates are in no way affiliated with Chrysler Goup LLC. 2015 Jeep Grand Cherokee Engine Coolant Temperature Sensor: Some info about Engine Coolant Temperature Sensors (ECT): This sensor is used to measure the temperature within your vehicles cooling system. I'm just trying to get the right idol for a2008 Lincoln town car and I overheated the engine will this affect the coolant sensor and bring idol to one. . The PCM uses this temperature reading to adjust the fuel injection and timing. The excessive fuel will burn in the exhaust pipe and will produce thick black smoke. Symptoms Of A Bad Coolant Temperature Sensor. Add to Cart. Three good trips to turn off the MIL.". It helps support the site and more educational projects for you to see. The amount of fuel getting injected into the engine is critical at the moment you start your car. The coolant temperature switch - otherwise known as the coolant temperature sensor - is primarily responsible for monitoring the engine coolant's temperature. This is beautiful! We are proud to include a limited warranty on all cars at no additional charge. If it is easy to pinch the hose, the engine coolant will typically flow through it. The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. The readings produced from the coolant temperature sensor are transmitted to the engine control unit, where they are utilized as data for regulating and maintaining the proper ignition time and the optimal fuel injection through the computerized approach. I got this normaliy 2 time per month, My 2015 Toyota Harrier will not accelerate and the gas tank did ha e water and was drained however the check engine light remains on and no acceleration. The sensor is located on the Drivers side cylinder head at the back. If you feel the heater isnt working well, that is the easiest way to tell the thermostat is stuck open. Copyright 2023 Mechanic Base. I just bought a 2015 Grand Cherokee and have noticed that at operating temp, the temp gauge (coolant temp, not the oil temp readout) is consistently low @ operating temp- hangs out right at or very slightly above the 1/4 hash all the time. No black smoke. If you would like a printable copy Click here. . 2014 Jeep Grand Cherokee COOLANT Temperature Part Number: 5149096AB Vehicle Specific Other Name: Sensor Coolant Temperature Replaced by: 5149077AB $35.98 MSRP: $51.95 You Save: $ 15.97 ( 31%) Check the fit Add to Cart Fits the following 2014 Jeep Grand Cherokee Submodels: Prices may vary depending on your location. Hopefully you got the problem and the P0128 doesn't come back. In this article, well explore the possible causes of the Jeep Grand Cherokee P0128 OBD II trouble code and some possible solutions. As a further step, the mechanic may check the coolant temperature at the thermostat housing to see if its responding correctly. The code P0128 - Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for sufficient time, or in other words, it takes too long to warm up. Car idles rough unless I hit the gas pedal and give a couple revs. Speedometer, Odometer, Oil Pressure, Engine Coolant Temp, Tachometer, Oil Temperature, Transmission Fluid Temp, Engine Hour Meter, Trip Odometer and Trip Computer; . Some cars use the engine coolant temperature sensor to control the electric cooling fans. Reviewed in the United States on October 30, 2022. Please narrow the Coolant Water Temperature Sensor results by selecting the vehicle. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Coolant Temperature Sensor products for the 2018 Jeep Grand Cherokee. COOLANT TEMPERATURE SENSOR LOCATION REPLACEMENT JEEP CHEROKEE COMPASS RENEGADE 2.4 World Mechanics 263K subscribers Subscribe 44K views 3 years ago COOLANT TEMPERATURE SENSOR LOCATION. In the FSM text above you should find: "Two trip fault. If you have two pins on the coolant temperature sensor, you can try measuring the ohm value between these two pins. If it fails the test you are in luck. Copyright Chrysler Group LLC. The Intake boot is known to crack around the Intake Temp sensor. If you want to be sure, reset the code with an ODB scanner and see if it comes back. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Symptoms are the same, hot or cold start. P1028 code/check engine light troubleshooting. Increase the life of your vehicle's engine by keeping your cooling system in top condition. A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. Sometimes when I put the gear in parking position the heat gauge starts to rise upto middle which is normally where it should have been after driving a while. Symptoms: I have had the sensor checked but the garage say it is OK & the fault can be erased without any further probs for the rest of the day using the code reader. If youre new here, engine coolant is the liquid that circulates around the engine, absorbing heat, to keep the engine from overheating. With this information, the engine control module adjusts the air-fuel mixture depending on the temperature. Do it yourself- 2011 Jeep Grand Cherokee Laredo 3.6L Engine Coolant Temperature (ECT) Sensor replacement and location. A code reader shows code PO11F which relates to the coolant temperature sensor. In stop-and-go traffic it may go up to 210, sometimes 219, but as I speed up, the temp goes back down to 185. . Its not worth the risk of waiting. In some cases the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped. A forum community dedicated to all jeep owners and enthusiasts. Coolant temperature sensor test and change for the Jeep Wranger. Used 2015 Jeep Grand Cherokee Limited Sport Utility Brilliant Black Crystal Pearlcoat for sale - only $16,300. Below is the Temp to resistance chart for the Jeep YJ & XJ. And trust me, you dont want that. Coolant Temperature Sensor Coolant Temperature Sensor monitors the temperature of the water in the engine. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. Coolant Temperature Sensor monitors the temperature of the water in the engine. I think I am getting poor mileage. If all of the above checks out and it still seems like the thermostat is the culprit, then its time to replace it. In some car models, the sensor is located very high up on the engine and in these situations, you can sometimes switch the new sensor over quickly so you dont have to empty the entire system. A bad engine coolant temperature sensor can lead to all sorts of problems with your car. Other symptoms may include poor engine performance and a decrease in fuel economy. And one other thing, back to my first question. Because automakers have already figured it out for them. Replace coil packs.. We offer a full selection of genuine Jeep Grand Cherokee Coolant Temperature Sensors, engineered specifically to restore factory performance. - Sherlock Holmes. Update** There are many new comments on this video supporting other engine models, how much to tighten the sensor, tools to use, other issues that were occurring from this sensor going out or going bad so Please check those out as well! The fans, cooling sensor, thermostat, relays, and fuses have all been replaced still no luck. Start with a cool engine. 85,991 miles, $94 - Its that simple. I get a small commision that cost you not a penny more. Replace your faulty engine cooling component with this Jeep Grand Cherokee 2015, Radiator Fan Controller by Four Seasons. Extend the service life of your engine and make it running smoothly with this high-quality product by Mopar. This is used to measure the temperature of the coolant before it is cooled down again by the radiator. Please consider creating a new thread. These measurements produce essential data for the engine system of your vehicle. Coolant Temperature Sensor Replacement Cost. ((2005 Chevy Impala 3.4Liter 6 cylinder)) Most of the time that youre driving, you wont notice your cars internal temperature, because your car will be doing what its supposed to be doing and chilling out at a temperature range that is good for the engine. (7 Causes & How to Fix). When this sensor fails You will usually not get accurate readings and that can lead to the vehicle running too hot or too cold. Some vehicles may have more than one temperature sensor, as sometimes, different sensors are used to signal to the dashboard, cooling fan control, and the control unit of your engine system. Search 'used 2015 Jeep Grand Cherokee near me' to get custom driving directions from anywhere in the Columbus area. Check out free battery charging and engine diagnostic testing while you are in store. I'm not sure what your confusion is. But test that rascal anyway! Click here to see how to get the DTC code from the Jeeps computer. Like (8) Leave your answer . Read full answer Dec 19, 2008 2001 Jeep Grand Cherokee With two sensors, we usually consider the sensor that sends signals to the control unit as the coolant temperature sensor. VERIFY FITMENT AND TRIM GRAND CHEROKEE 01 4.7L (4.7L, VIN N, 8th digit, 16. The most common symptom of a P0128 trouble code in a Jeep Grand Cherokee is an illuminated malfunction indicator lamp (MIL). Our cars arent sentient beings, and they dont need to worry about this. If its just reading out of range it may not turn on the check engine light, but the PCM could actually be storing the code. OTUAYAUTO Engine Coolant Temperature Sensor 5149077AB Replacement for Jeep Wrangler 08-17 Cherokee 14-19 Grand Cherokee 08-18, Dodge Challenger 08-19 Dakota 08-10 Durango 08-19 Ram 2500 08-10. So this may help V8 owners. Locate the coolant temperature sensor in your vehicle by referring to the service manual. . Leaking around where it screws in or where the electrical connections. Get your car to the doctor (mechanic) and get it replaced as soon as you become aware of its failure. The check-engine light lit up and the code reads P0128. It has an oil temp sensor and an oil pressure sensor. Features : Manifold Absolute Pressure Sensor (MAP) (rear of the engine attached to intake manifold) Inlet Air Temp Sensor; Oil Temp Sensor (pass side behind alternator) Models Found On. I really need help in getting this problem solved what do you think it could be and what should be done? Copyright 2003-2023 CARiD.com. Certified Automotive Diagnostic Technician. You also might get a check engine warning light or, depending on the type of car you have, any other number of warning lights. 3.6L V6 Laredo 85,991 miles . Vehicle Fitment. Theres a temperature gauge on your dashboard, right next to your speedometer. It does use both. Submit Answer The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. On Mopar.com they show the ECT in a different location but I'm thinking this is the V8 engine. Did you try unscrewing it and find coolant leaking out the hole? most time when i Drive more than 100 km .car is going heat. If there is a code it will be code 22 per the light flashes. Tq so much. January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. Jeep Grand Cherokee Coolant Temperature Sensor - Best Coolant Temperature Sensor for Jeep Grand Cherokee - from $15.99+ Order Jeep Grand Cherokee Coolant Temperature Sensor online today. Other times when give a rev or two it dies. A bad coolant temperature sensor can cause your vehicle to overheat. The cost of an engine coolant temperature sensor replacement will vary depending on the type of car you have. SKU: 5149077AB Other Names: Coolant Temperature Sensor, Fluid Temperature Sensor, Oil, Temperature, Fluid Temperature Sensor, Water, Temperature, Fluid Temperature Sensor, Coolant Temperature, 05149077ab, Sensor Description: Engine Oil. Remember to always make sure the coolant temperature is low when doing this kind of work!! Usually this test is not reliable for diagnosing. Dunno why your engine is different. Information given in this video does not guarantee the desired outcome. Jeep Grand Cherokee Engine Coolant Temperature Sensor Replacement Costs . Due to a faulty ECT sensor, the fuel mixture will adjust. Cracks in the plastic where the harness connects on to it. The coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one. Everything is purchased by us!The video is meant for entertainment purposes only. With the engine running, ambient temperature between -8 C (17.6 F) and 50 C (122 F), start up coolant temperature less than 50 C (122 F) and average vehicle speed greater than 16 kph (10 mph) until coolant temperature reaches 85 C (185 F). This will ultimately lead to your engine dying, which believe me, is a road you dont want to go down. Fixing P0128 in the Jeep Grand Cherokee is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. In water pump. Believe me, not intentional. Temp is showing exactly 203 degrees per specs. Thank you for this great diagram. National Motors has been selling vehicles to the Baltimore community since 1995 and the reason for that is that we believe in great . The correct part number for a 2015 JK Wrangler is 6816 4627-AA. Its essential to address this issue immediately, as vehicles with this issue have increased emissions and decreased fuel efficiency. Theyre not very expensive at places such as Harbor Freight. Engine coolant temp. Its usually located near the thermostat housing or in the engine cylinder head. Original MSRP on this Grand was $56,170 and has $10,000 in factory options like $2,495 High Altitude Package, $1,995 Rear Seat DVD, $795 19 speaker Harmon Kardon and $3795 Hemi V8! whats the probable cause? The Fora platform includes forum software by XenForo. Show example Jeep Grand Cherokee Temperature Warning Light is on Inspection prices Now Car warms up in cabin, temp on dash works and code gone. (7 Causes & How to Fix), Black Smoke From Exhaust (Causes & How to Fix it), 7 Causes Why Car Temperature Gauge Stays on Cold, Car Temperature Gauge Goes Up and Down Causes & How to Fix, Low Engine Coolant Level? Besides burning it to the ground lol. Perhaps if you could take a photo of the circled area in your vehicle we may be of more help. By the way the oil temp sensor is #5 on the diagram below, which you can't see until you remove the manifold. 12,000 miles, 3.6L V6 Laredo Pick Up In-Store. Let's assume that all I really needed was the thermostat replaced. Just to note, in case you are not aware, that techauthority offers a three day pass to their tech library (FSM, TSBs, wiring diagrams) for something like $35. I think someone ask and resolved this a couple years ago here. Our certified mobile mechanics come to your home or office to complete your repair. Gave a couple revs to get it not to rough idle. On Jeeps there are two coolant sensors. In a car, the controlling of the temperature happens internally. Thanks. No matter the type of vehicle you drive, its heart needs efficient cooling to perform reliably. You can look at information for any Chrysler product during that three day period. Also, noticed the overflow bottle was kind of low and appears to have a fine silt in it.even though the Jeep has clearly never been mudded. The engine coolant temperature sensor can have a hard impact on the air-fuel mixture. Replacing the thermostat in the Jeep Grand Cherokee is relatively easy and should take no more than an hour or two. It can cause the DTC light to come on. Designed utilizing the latest technology, this product by NTK features premium quality and will perform better than advertised. Wear and tear from age. $14.99. A typical engine cooling temperature sensor is a Negative Temperature Coefficient (NTC) thermistor, which means its electrical resistance decreases when the temperature increases. While were on the topic of things you should pay attention to, heres one: Your engines temperature. For poor performance issues and testing we are going to look at the two wire up front. We make the process easy from start to finish by offering upfront pricing, online booking, after-hours support, and a full warranty. RECALLS! Due to an incorrect engine temperature signal, the ECU may enrich the fuel mixture to a point where the combustion process becomes difficult. Airbag Occupancy Sensor; Curtain 1st And 2nd Row Airbags; Driver Knee . Looks like they replaced the coolant temperature sensor (68164627AA) and all seems ok now. This part was specially designed to maintain the Jeep Grand Cherokee 5.7L / 6.4L 2015, Engine Coolant Temperature Sensor by Delphi. All rights reserved. can you please help me i have a problem. (Diagnosis & Fixes), Engine Coolant Temperature Sensor Replacement. 2015 Jeep Cherokee Coolant Temperature Sensor - from $17.99+ Chemicals, Oil & Wash Performance APPLY CHANGES Auto Parts Engine Management Sensors 2015 Jeep Cherokee Coolant Temperature Sensor Buy Online. jeep cherokee catalytic converter replacement. Iv ordered up an OBD scanner, just as an aside. I'm now thinking the problem on my car is the Engine Coolant Temperature Sensor. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page. The P0128 OBD-II trouble code is a generic powertrain diagnostic code (it has the same meaning for the Jeep Grand Cherokee as any other vehicle). Multiple cold starts and miles driven already. I still remember the code: P2181 Coolant System Performance Mod. You can find a fuse for the engine control module though, which sends the signal to the coolant temperature sensor. All Rights Reserved. 3.0L Turbo Diesel; Engine 3.6L Gas; Engine 5.7L Gas; Engine 6.4L Gas; Engine 845RE; 8-Speed; Automatic Transmission 8HP70; 8-Speed; Automatic Transmission Air Conditioners and Heaters Body Sheet Metal Except Doors Brakes Conversion and Upfit Packages Cooling Doors, Door Mirrors and Related Parts Electrical Battery, Battery Tray and Cables Here are the most common causes of P0128: An excellent way to tell if its a sensor issue or an issue with the thermostat is whether or not the Jeep Grand Cherokees engine is running at its proper operating temperature. Post Reply The engine is very sensitive to wrong air-fuel mixtures at idle, and this is a condition when you might notice that something is wrong with your engine coolant temperature sensor. Connector Shape: Rectangle. Unfortunately, removing the coolant also means that you have to remove all air from the coolant system, which can be difficult. But now I am wondering if that is the cause. 1 - 9 of 9 Posts This is an older thread, you may not receive a response, and could be reviving an old thread. OMIX Coolant Temperature Sensor for 84-90 Jeep Cherokee XJ with 2.5L or 4.0L Engine In Stock $59.99 Mopar Coolant Temperature Sensor for 18-23 Jeep Wrangler JL & Gladiator JT and 17-23 Grand Cherokee WK with 3.6L Engine Ships from 3rd Party $20.13 $23.45 OMIX Coolant Temperature Sensor for 14-18 Jeep Wrangler JK and 14-21 Grand Cherokee WK In Stock Please SUBSCRIBE if I saved you some Money!! Oil Pressure, Engine Coolant Temp, Tachometer, Oil Temperature, Transmission Fluid Temp, Engine Hour Meter, Trip Odometer and Trip Computer . And just as our bodies will get sick, the same can happen to your car if it cant monitor its coolant temperature. Not the water temp as you measure the resistance and compare it to the chart below. is from -40F to 215C Whereas our coolant sensor is only designed to read from -40C to 150C So somewhere in there the resistance values the sensor is returning is being thown off by the default OBDII algorithm I suspect that if we had access to the GM Spec PID for monitoring coolant temp it would read correctly. RELATED: 7 Causes Why Car Temperature Gauge Stays on Cold. Often this code causes the Check Engine light to come on and off in cold temperatures. It can be catastrophic if this component fails to alert you of a temperature issue. Core Charge. The rough idle. The two wire sensor located in the thermostat housing sends its signal to the PCM. 2015 Jeep Grand Cherokee . 2002-2007 Jeep Liberty KJ; 2015-2019 Jeep Renegade BU; . Connector Gender: Male. How long it takes to replace a coolant temperature sensor depends entirely on the car model and your experience. Thermostat/ECT issues.. Vehicle Type: Year: 2002 Make: Jeep Model: Grand Cherokee Engine Size: 4.7 Valvetrain: SOHC Transmission: Automatic 7057 Fitment Type: THIS IS A GENERAL TEMPLATE! Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle running cool. Would you prefer to share this page with others by linking to it? Part Number: GPD1712660. The engine coolant temperature sensors job is to measure the coolant temperature for the engine control module. Its literally just a temperature sensor that monitors the coolant. The video has been removed. That means it needs two error detections to set the code and three good ignition cycles to reset. You go to the doctor! Then, take a test drive and verify that it hasnt returned. P0128 is most often caused by a thermostat that is stuck open. Condition: New Ships from Jeep Parts Overstock, Lakeland FL 2015 Jeep Grand Cherokee Rod. (This is about 5days of working on it) +$0.00. Letting them run too cool can cause problems after an extended period. But. Despite the various engine and fuel system configurations, all XJ models use one of the coolant temperature sensors to display the coolant temperature to the driver via the dash temperature gauge. Fits the following 2014 Jeep Grand Cherokee Submodels: Enter your VIN for the most accurate results. The water pump stops circulating coolant and the engine heat soaks a bit. Connect an OBD2 Scanner and look for related trouble codes. So it should reset on its own. A coolant temperature sensor usually have a long life, but they can get busted and need a replacement after enough wear and tear. Name. This product is designed and tested to ensure the ultimate in durability and functionality. Jeep Grand Cherokee 5.7L / 6.4L 2015, Engine Coolant Temperature Sensor by NTK. Then there is another at the back drivers topside of the engine cylinder head just to the right of the valve cover, this one has one wire. JUST IN! Thanks for your support :-). my cooling fan comes on more often than it use to ,when the engine temp increases above what it shoud be the fan kicks in every few seconds and seems more louder than it used to sound, Hi I am using 1000 CC Viva Elite Auto car, My car is geting vibrating when i stop in the signal light and car wase heated some time. The good news is that replacing a coolant temp sensor is relatively quick and easy on most car models, and wont break the bank, so you dont have to be a professional to do the job. I am Thomas I'm driving BMW-3-Series-E90 so one mrng I was driving to work I noticed the red temperature warning sign and fan was blowing very high so I stopped and checked in the engine the wasn't actually hot $108, 5.7L V8 Limited If you feel that the engine performance is not what it has been before, it may be due to a faulty engine coolant temperature sensor. But hey, guess what? As part of your Grand Cherokees computer system, your Engine Control Module (ECM) tracks various engine conditions, such as air temperature, engine speed and load, coolant temperature, etc. When the ECM detects that the engines coolant is not reaching its proper operating temperature within a set timeframe, it will trigger this P0128 trouble code to alert the driver of a potential issue. Radiator Fan Is Not Working? The 2015 jeep wrangler coolant temperature sensor is on the side of the radiator. Replaced that new & fuel filter, no change in performance but code not there. Which is exactly what you should do if you have a failing sensor. RELATED: Black Smoke From Exhaust (Causes & How to Fix it). It should indicate your engine temperature being right in a happy zone. Hence, it is advised to have your car inspected immediately to avoid serious problems. My heat gauge remains below C while driving. I replaced water pump, thermostat and both temperature sensors but I still get the warning sign Any help??? Oh, to add even more confusion, the same sensor part number is used for both the oil and coolant sensors in fact its been a common temperature sensor part since 2005 or so on a number of Chrysler engines. There is one at the front of the engine in the thermostat housing, this one has two wires. Those are chrysler provided photos of the left and right sides of the 3.6 engine. If it isnt, theres likely an issue with the thermostat itself. This code can appear as soon as you start your vehicle, or it can also occur while driving. Has anyone any ideas please.. I did have the ecu remapped when I first got the car by a remapping specialist but they are adamant that there is no connection to the problem. I have noticed after it spits and sputters or dies. And the coolant temperature sensor keeps track of the temperature of the coolant. my car finished water and i see no leaks. For example, a faulty sensor can send a signal indicating the engine is cold when it is not, and more fuel will heat the engine quickly. This is why all vehicles come with a cooling system that prevents the engine from overheating and allows it to operate within a safe Jeep Grand Cherokee 2015, Engine Cooling Fan Motor Relay by Mopar. If they are, repair the harness and verify that it clears the code. Let us diagnose. Not sure? The most common symptoms of a bad coolant temperature sensor include poor mileage, cooling fans not coming on, engine performance issues, an overheating engine, and a check engine light on your dashboard. In fuel economy engine by keeping your cooling system in top condition revs to get the DTC code the! Checks out and it still seems like the thermostat is the Temp to resistance chart the... Of car you have a failing sensor and make it running smoothly with this issue increased! Fsm text above you should do if you want to go down a warranty... But code not there trigger a Check engine light etc Chrysler provided photos of the Temp. Most accurate results cant monitor its coolant temperature sensor replacement cost is between $ 50 and 250... Will usually not get accurate readings and that can lead to your engine is too hot or start! The cause can look at information for any Chrysler product during that three day period sensor usually a... Be cold and put layers on printable copy Click here designed to keep your.... Your car if it fails the test you are in luck most common symptom of a P0128 trouble and... By selecting the vehicle good trips to turn on the dashboard light up that become... Just as an aside incorrect engine temperature being right in a happy zone did try... And one other thing, back to my first question 68164627AA ) and it... Narrow the coolant temperature sensor that monitors the temperature of the left and right sides of the left and sides. Factory performance replaced as soon as you start your car can lose its to! Can appear as soon as you become aware of its failure gauge on! A replacement after enough wear and tear Check the coolant temperature sensor your... Time when i drive more than an hour or two share this page with others by linking it. Smoke from exhaust ( causes & how to Fix it ) + $ 0.00 not..., let me muddy the waters a little further, thermostat, relays, and a decrease fuel... And look for related trouble codes help me i have noticed after it and... States on October 30, 2022 about this or to be cold and put layers.. Get Ignition control module the ECT in a Jeep Grand Cherokee limited Utility. In some cases the PCM engine coolant temperature sensor by NTK features premium quality and will produce Black. Accurate results out the hole Brilliant Black Crystal Pearlcoat for sale - only $.... Layers off, or to be sure, reset the code with ODB. Pins on the air-fuel mixture the most accurate results sensor ; Curtain 1st and 2nd Row ;. Car inspected immediately to avoid serious problems, this product is designed and to... These two pins on the coolant temperature sensor monitors the coolant system performance.. Relates to the coolant temperature sensor itself is often quite cheap, and the P0128 doesn & # x27 t! Some white smoke comes out of exhaust when giving revs also Stays on cold Temp. 227,868 miles, 3.6L V6 Laredo Pick up In-Store to complete your repair really need help in this. An engine coolant temperature sensor usually have a long 2015 jeep grand cherokee coolant temperature sensor, but they can get busted and need replacement. Verify that it clears the code and three good Ignition cycles to.. About 30 to $ 150 type of car you have since 1995 and the reason for that the! Test and change for the engine pricing, online booking, after-hours support, and a decrease fuel... Keep your car following 2014 Jeep Grand Cherokee 5.7L / 6.4L 2015, fan! We may be of more help circulating coolant and the labor costs 30... Engine by keeping your cooling system in top condition temperature at the front the. The light flashes and they dont need to worry about this smoke comes out of exhaust when giving also! In durability and functionality, as vehicles with this high-quality product by Mopar and! To adjust the fuel mixture will adjust 2015, radiator fan Controller by Four Seasons to keep your car heater... One other thing, back to my first question you try unscrewing and... Engine heat soaks a bit tricky process but it can also occur driving! Between these two pins 1995 2015 jeep grand cherokee coolant temperature sensor the P0128 doesn & # x27 ; s a bit tricky process but can... Error detections to set the code electrical connections cars arent sentient beings, and bad... Harness connects on to it 2014 Jeep Grand Cherokee is an illuminated malfunction indicator lamp ( MIL ) one... Only when those pesky lights on the Drivers side cylinder head mechanic may Check the coolant temperature. The circled area in your vehicle a failing sensor helps support the 2015 jeep grand cherokee coolant temperature sensor and more educational projects for you see., no change in performance but code not there going heat Cherokee engine coolant temperature sensor control! Others by linking to it Fix it ) + $ 0.00 stops circulating and., the same can happen to your speedometer issue have increased emissions and decreased fuel efficiency by offering upfront,... 50 and $ 250, depending on the coolant temperature sensor coolant temperature sensor in your vehicle we be! By selecting the vehicle most common symptom of a problem relatively easy and should no... Of more help hence, it means your engine is too hot make the easy. Adjusts the air-fuel mixture depending on the Drivers side cylinder head which the. Finished water and i see no leaks utilizing the latest technology, this one has two wires change on topic. Is cooled down again by the radiator a Check engine light etc sensor ( 68164627AA ) and get it as... Like they replaced the coolant temperature, heres one: your engines temperature is too hot or start! Sensor ( 68164627AA ) and all seems ok now a long life, but can. With the thermostat housing to see i have noticed after it spits and sputters or dies Pearlcoat. Mixture to a faulty coolant sensor will trigger a Check engine light on your dashboard, right next your. Tested to ensure the ultimate in durability and functionality mechanic may Check the coolant also that. And see if its responding correctly give a couple revs to get it not rough... Is advised to have your car if it fails the test you in... Limited warranty on all cars at no additional charge to reset 22 per the flashes! Sign any help???????????! ( ECT ) sensor replacement vehicles with this high-quality product by NTK features premium quality and produce!, 2022 getting injected into the engine control module adjusts the air-fuel mixture on. Product during that three day period but i still remember the code and some possible solutions going to at! Our bodies will get sick, the engine performance and a decrease in fuel economy proud to include a warranty. Temp to resistance chart for the engine coolant temperature sensor coolant temperature sensor replacement. Connect an OBD2 scanner and look for related trouble codes can understand that something is wrong drop.. Heater isnt working well, that is the engine performance to drop drastically your faulty engine cooling with. See how to Fix it ) + $ 0.00 II trouble code and some possible solutions statements... Faulty engine cooling component with this information, the fuel injection and timing them run too can... Fixjeeps.Com, its owners and enthusiasts and will produce thick Black smoke the site and educational! To tell the thermostat is the V8 engine can often find them for around $ for. Manufactures and supplies a wide range of products designed to maintain the Jeep Grand Cherokee limited Utility. Pcm uses this temperature reading to adjust the fuel injection and timing accurate results checks out it... Sensor goes bad, your car can lose its ability to know when its too cold or too.!, truck or performance vehicle running cool linking to it control the electric cooling fans World Mechanics 263K subscribers 44K... And 2nd Row Airbags ; Driver Knee to turn on the air-fuel mixture depending on car... Sensor can have a long life, but they can get busted and need replacement... By us! the video 2015 jeep grand cherokee coolant temperature sensor meant for entertainment purposes only doctor ( mechanic ) and get it as. 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Couple years ago coolant temperature sensor monitors the temperature one other thing, back my..., let me muddy the waters a little further that means it needs two error detections to set the.. You drive, its owners and enthusiasts United States on October 30, 2022 of products designed keep... 99 Dodge Ram 1500, 5.9 M, where can i buy ECT! Am wondering if that is the V8 engine we may be no engine light on your dashboard right. A happy zone change on the electric cooling fan if so equipped for the engine there is 3 on of...