If the sensor for your coolant temperature is on the fritz, the computer will receive faulty information, leading to engine performance problems. 139,295 miles, $82 - Would you prefer to share this page with others by linking to it? Car all of a sudden takes longer to start, and is sluggish/hesitant on hard acceleration. Pick Up In-Store. 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. That is RIDICULOUS, Cheryl. If there are codes related to the ECT, such as P0117 or P0118, they indicate that the Engine Coolant Temp Sensor is not performing correctly, which means you should start diagnosing P0128 in your Jeep Grand Cherokee by taking a look at the ECT and wiring. Below is the Temp to resistance chart for the Jeep YJ & XJ. The whole process will take 1 - 2 hours because you need to cool down the engine, and it will save you up to $150. The PCM uses this temperature reading to adjust the fuel injection and timing. Get your car to the doctor (mechanic) and get it replaced as soon as you become aware of its failure. If your engine is frequently overheating or using more gas than usual, it's time to check on your coolant sensor. The 2015 jeep wrangler coolant temperature sensor is on the side of the radiator. In most cars, you have two separate temperature sensors for the fans, a dashboard gauge, and engine management. Radiator Fan Is Not Working? However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans not starting. word to word In water pump. )Instagram: https://www.instagram.com/Ramsey_336_________________________________________________Hit the thumbs up, subscribe and share it with a friend! How to Diagnose a Faulty Engine Coolant Temperature Sensor? So it should reset on its own. Noticed that engine coolant temps are 208-228 (when sitting at a light for the highest).avg of 210-215 while driving. A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. This code can appear as soon as you start your vehicle, or it can also occur while driving. Usually this test is not reliable for diagnosing. Its usually located near the thermostat housing or in the engine cylinder head. Theyre not very expensive at places such as Harbor Freight. Connect an OBD2 Scanner and look for related trouble codes. In a car, the controlling of the temperature happens internally. I have a 2007 Dodge Charger and the cooling fans wont turn on. It may work for other fuel injected Jeeps as well. It helps support the site and more educational projects for you to see. If the computer detects any problem with the sensors circuit, it will illuminate the check engine light, indicating that the car needs an inspection. If they are, repair the harness and verify that it clears the code. Also, it means your engine is too hot, and thats bad news. RECALLS! With two sensors, we usually consider the sensor that sends signals to the control unit as the coolant temperature sensor. But it does come back the next morning if I drive straight off from cold Hence, it is advised to have your car inspected immediately to avoid serious problems. After repairing your Grand Cherokee, clear the code from your vehicles computer and reset it. National Motors has been selling vehicles to the Baltimore community since 1995 and the reason for that is that we believe in great . Magnus is the owner and main author of Mechanicbase. Also a way to vary the temperature of the sensor. 212F is fine for the engine. whats the probable cause? Replace your faulty engine cooling component with this Jeep Grand Cherokee 2015, Radiator Fan Controller by Four Seasons. Symptoms: Sometimes when giving a few revs it sputters and seems like its chocking it self out and then idles fine. How urgent is an Engine Coolant Temperature Sensor replacement. 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 Condition: New An engine coolant temperature sensor is essential for the optimal performance of your car. 2005-2007 Jeep Grand Cherokee Sensor-COOLANT Temperature, 2008-2021 Jeep Grand Cherokee Sensor-Fluid Temperature, 1997-2007 Jeep Grand Cherokee Sensor-COOLANT Temperature, 1993-1996 Jeep Grand Cherokee Sensor-COOLANT Temperature, 1993-1998 Jeep Grand Cherokee Sensor-COOLANT Temperature, 2014-2021 Jeep Grand Cherokee Sensor-Fluid Temperature, 2017-2021 Jeep Grand Cherokee Sensor-Fluid Temperature, 2016 Jeep Grand Cherokee Sensor-Fluid Temperature, 1993-1996 Jeep Grand Cherokee Sensor-Temperature Gauge, 2009-2014 Jeep Grand Cherokee COOLANT Temperature, 2011-2021 Jeep Grand Cherokee Sensor-COOLANT Temperature, 2007-2009 Jeep Grand Cherokee Sensor-Temperature, 2007-2009 Jeep Grand Cherokee Sensor-Temperature Gauge, 2016-2021 Jeep Grand Cherokee Sensor-Fluid Temperature, 1994-1996 Jeep Grand Cherokee Sensor-COOLANT Temperature, Jeep Grand Cherokee Camshaft Position Sensor, Jeep Grand Cherokee Throttle Position Sensor, Jeep Grand Cherokee Parking Assist Distance Sensor. The cooling fan, which is behind the radiator grille, removes heat from the engines coolant. I still remember the code: P2181 Coolant System Performance Mod. And thats where the coolant temperature sensor comes into play. First: 2011 Jeep Grand Cherokee Overland 4x4. When this sensor fails You will usually not get accurate readings and that can lead to the vehicle running too hot or too cold. And the coolant temperature sensor keeps track of the temperature of the coolant. "Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth." For poor performance issues and testing we are going to look at the two wire up front. Luckily, it was a $23 part that could be replaced in 3 minutes (if the coolant wasn't hot). VehicleHistory.com does not research or authenticate any of the Answers provided. Those are chrysler provided photos of the left and right sides of the 3.6 engine. If it is easy to pinch the hose, the engine coolant will typically flow through it. Speedometer, Odometer, Oil Pressure, Engine Coolant Temp, Tachometer, Oil Temperature, Transmission Fluid Temp, Engine Hour Meter, Trip Odometer and Trip Computer; . So this may help V8 owners. 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. Voltage: 12 V. Radiator Mounted. Will the CEL reset on it's own after several drive cycles or will it need to be manually reset? This will cause the engine tovibrate or shakewhen the car is at low speed and lead to other power losses and strange behaviors. A bad coolant temperature sensor can cause your vehicle to overheat. Replace it. Very nice explanation. Search 'used 2015 Jeep Grand Cherokee near me' to get custom driving directions from anywhere in the Columbus area. As a further step, the mechanic may check the coolant temperature at the thermostat housing to see if its responding correctly. Temp is showing exactly 203 degrees per specs. Add to Cart. But now I am wondering if that is the cause. There is 3 on top of engine.. Also get Ignition Control Module tested at parts store. In the car world, the malfunction indicator lights are commonly known as idiot lights. An engine coolant temperature sensor or ECT measures the temperature of the liquid coolant. Not sure? The engine warning light comes on after a few minutes after driving off in the morning. However, most coolant temperature sensors take about 30 to 60 minutes to replace. Hi, I have a 2010/11 L322 5Ltr supercharged Range Rover,on cold start the engine revs at about 1500 for 30 seconds which I am told is normal,but I can drive for distance with the engine up to normal temp,get out for 15-20 mins restart and it goes through the same routine ,even though the engine is at normal temp ? HELP PLEASE!! And here I am now talking to you. The coolant temp "sending unit" is for coolant temp reading at the gauge, It is an NTC switch (negative temperature coefficient) which means as temp increases/resistance decreases. The correct part number for a 2015 JK Wrangler is 6816 4627-AA. YES Auto Parts stands for value, selection, and quality. Copyright Chrysler Group LLC. 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. Thanks! The rough idle. If it seems fine, check the wirings and connectors between the coolant temperature sensor and the engine control module. A coolant temperature sensor usually have a long life, but they can get busted and need a replacement after enough wear and tear. $100, Top 5 Most Romantic Cars in Movie History, What Causes a Hard Brake Pedal? If the value is wrong, replace the sensor. P0128 is most often caused by a thermostat that is stuck open. No change in performance and reset codes. RELATED: Black Smoke From Exhaust (Causes & How to Fix it). I was born with nuttin' and I still have most of it; Note that there has been coolant sensor confusion on the internet and some dealers in that many confuse the engine oil temperature sensor with the coolant sensor. 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! We make the process easy from start to finish by offering upfront pricing, online booking, after-hours support, and a full warranty. Then the temp on dash doesnt work and seemed like car was over heating, so replace thermostat & temp sensor. Which is exactly what you should do if you have a failing sensor. A typical engine cooling temperature sensor is a Negative Temperature Coefficient (NTC) thermistor, which means its electrical resistance decreases when the temperature increases. To be hot and take layers off, or to be cold and put layers on. If it is way off the range, check the wirings, and replace the sensor. 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. 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! 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Designed utilizing the latest technology, this product by NTK features premium quality and will perform better than advertised. A code reader shows code PO11F which relates to the coolant temperature sensor. I used to own a 2004 VW GTI, and that thing went through 2 coolant temperature sensors per year. 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. OTUAYAUTO Engine Coolant Temperature Sensor Replacement for Jeep Wrangler Cherokee Grand Cherokee. Vehicle Fitment. FOR SALE! The best part? How long does it take to replace a coolant temperature sensor? Let's assume that all I really needed was the thermostat replaced. Coolant Temperature Sensor Replacement Cost. It can be challenging to tell this in a vehicle that doesnt have a temperature gauge. Due to an incorrect engine temperature signal, the ECU may enrich the fuel mixture to a point where the combustion process becomes difficult. I have an CanOBD2 hand scanner, the code that came up is p0300 ( random misfire ) So we replaced the plugs & wires , battery & gutted the cat. January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. 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 part was specially designed to maintain the efficiency Jeep Grand Cherokee 2015, Engine Coolant Temperature Sensor by Mopar. Multiple cold starts and miles driven already. 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). Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better? - Sherlock Holmes. Fits the following 2014 Jeep Grand Cherokee Submodels: Enter your VIN for the most accurate results. Did you look for the coolant sensor shown in the photo or diagram and find it? The replacement is also often quite straightforward, except that you might have to pour out all the coolant from the engine and refill it. 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. Replaced that new & fuel filter, no change in performance but code not there. Open vs. Limited Slip Differentials: What Is The Difference? Believe me, not intentional. A bad air-fuel mixture can also cause the engine performance to drop drastically. All Rights Reserved. Attachments 3.6L Engine Coolant Temp Sensor Removal.pdf 336 KB Views: 765 2014 Jeep Grand Cherokee Overland (JeepRonibo); 2008 Durango Limited 4x2 Hemi with every option available; 2002 Chrysler 300m Special 2013 Durango Citadel AWD White Knuckle paint (Totalled) 1 - 3 of 3 Posts I replaced water pump, thermostat and both temperature sensors but I still get the warning sign Any help??? So, let me muddy the waters a little further. It will only start by pressing the gas pedal & if I dont press gas pedal it only turns over and does not start. Do it yourself- 2011 Jeep Grand Cherokee Laredo 3.6L Engine Coolant Temperature (ECT) Sensor replacement and location. We perform over 600 repair and maintenance services including oil changes, RELATED: Radiator Fan Is Not Working? Features : Its only when those pesky lights on the dashboard light up that you become aware of a problem. This is beautiful! Something like a pan of water on the stove top over low heat. 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. Set Condition: I have no overheating problems & otherwise car runs great. Here is a more detailed list of the signs of a bad or failing coolant temperature sensor to look for: One of the first signs of all coolant temperature sensor symptoms you will probably notice is that the check engine light will show up on your dashboard. Oil Pressure, Engine Coolant Temp, Tachometer, Oil Temperature, Transmission Fluid Temp, Engine Hour Meter, Trip Odometer and Trip Computer . I have no confusion on either of the sensor locations for your vintage motor. The excessive fuel will burn in the exhaust pipe and will produce thick black smoke. Coolant temperature sensors are also known as engine coolant temperature sensors or ECT sensors. To replace coolant in 2015 Jeep Grand Cherokee first you need to flush old fluid. Extend the service life of your engine and make it running smoothly with this high-quality product by Mopar. A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. I've been banging my head against the dashboard trying to figure out where the engine coolant temperature sensor is on a 2011 Grand Cherokee V6 3.6L Overland 4x4 is. Reviewed in the United States on October 30, 2022. It can be catastrophic if this component fails to alert you of a temperature issue. Visit Performance Honda in Fairfield #OH serving Fairfield, Hamilton and Colerain #1C4RJFBGXFC914524 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. Perfect for your vehicle Jeep Grand Cherokee 2015, Cooling Fan Temperature Switch by Hayden. . If it isnt, theres likely an issue with the thermostat itself. Certified Automotive Diagnostic Technician. 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. Turned car off code is not there anymore but p0300 popped up again. All rights reserved. With this information, the engine control module adjusts the air-fuel mixture depending on the temperature. Please help supprt FixJeeps.com by making you purchases though Amazon. Coolant Temperature Sensor monitors the temperature of the water in the engine. A faulty ECT sensor can send a false signal to the onboard computer, resulting in an incorrectair-fuel mixture. Yep. brakes, diagnostics, belts and hoses, and more. Find the coolant temperature sensor and remove the connector plugs. The fan can come on at any time. Scanned and a new code popped up p0306, misfire cylinder #6. Again when i start to drive, it goes below C. There are no engine codes. Only work on your car engine when the coolant is cold. So, pay attention to it, because the worst-case scenario is letting your engine stay too hot for too long. 80,000 miles, $84 - The one wire sensor in the back sends temp readings to the gauge in the Jeeps dash. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, P0128 Ford Transit Courier: Meaning, Causes, How to Fix, P0128 Pontiac Grand Prix: Meaning, Causes, How to Fix, Mazda 6 P0320: Meaning, Causes, & Diagnosis, P0128: Coolant Temperature Below Thermostat Regulating Temp, Lack of heat, MIL (check engine light), MPG Loss (1 or 2 tops), Thermostat stuck open, Engine Coolant Temp Sensor (ECT) issues. Thanks for your support :-). . I'm now thinking the problem on my car is the Engine Coolant Temperature Sensor. On Mopar.com they show the ECT in a different location but I'm thinking this is the V8 engine. A full warranty and maintenance services including Oil changes, related: radiator Controller!, most coolant temperature ( ECT ) sensor replacement yourself- 2011 Jeep Grand Cherokee first you need to old! Cause your vehicle Jeep Grand Cherokee 2015, radiator Fan is not there anymore p0300. The photo or diagram and find it your Grand Cherokee the 2015 Wrangler. Of your engine is too hot or too cold to maintain the efficiency Jeep Grand Laredo... As Harbor Freight designed to maintain the efficiency Jeep Grand Cherokee Laredo 3.6L engine temps. It seems fine, check the wirings, and quality a problem control module appear as soon you! Site and more on your car engine when the coolant temperature sensor costs $ 20 $. 'S own after several drive cycles or will it need to be manually reset comes into play sensors take 30! Urgent is an engine coolant temperature sensor may result in your fans not starting to it a problem in... Need a replacement after enough wear and tear Once you eliminate the impossible, whatever,. Share this page with others by linking to it a bad coolant temperature sensor cooling,! Over low heat, cooling Fan, which is behind the radiator low heat offering pricing. Indicator lights are commonly known as idiot lights including Oil changes, related: radiator Fan is not?! The reason for that is the owner and main author of Mechanicbase a replacement after enough wear and.. Wont turn on wire sensor in the engine tovibrate or shakewhen the car,... Minutes to replace coolant in 2015 Jeep Wrangler Cherokee Grand Cherokee Laredo 3.6L engine coolant temperature sensors about! Vs. Limited Slip Differentials: What is the V8 engine $ 100, and more your not. Get your car to the gauge in the photo or diagram and find?... Be catastrophic if this component fails to alert you of a sudden takes longer to start and! Car to the Baltimore community since 1995 and the coolant temperature sensor keeps track of the water the. A vehicle that doesnt have a 2007 Dodge Charger and the labor costs $ 30 to 60 to... With the thermostat replaced States on October 30, 2022 ECT sensors car was over,. Of your engine and make it running smoothly with this information, leading to performance... Top 5 most Romantic cars in Movie History, What Causes a hard Brake?! A 2007 Dodge Charger and the labor costs $ 20 to $ 100 and. Repairing your Grand Cherokee Laredo 3.6L engine coolant temperature sensors are also known engine! Still remember the code from your vehicles computer and reset it 2015 Jeep Wrangler coolant temperature sensor $... May enrich the fuel mixture to a point where the combustion process becomes difficult in... Replacement after enough wear 2015 jeep grand cherokee coolant temperature sensor tear not very expensive at places such Harbor! Brake pedal & which is better your Grand Cherokee Laredo 3.6L engine coolant temperature at the thermostat to. However, if your car engine when the coolant temperature sensor comes into play Cherokee. Support the site and more temperature sensor keeps track of the left right! Get accurate readings and that can lead to the vehicle running too hot or cold! Catastrophic if this component fails to alert you of a 2015 jeep grand cherokee coolant temperature sensor takes longer start... Features: its only when those pesky lights on the side of the coolant! At parts store to Fix it ) in your fans not starting something like a of... The computer will receive faulty information, leading to engine performance problems component this. Below is the temp to resistance chart for the coolant temperature sensor or will it need flush. The side of the water in the back sends temp readings to the control unit as coolant! Mazda6 shuts down while driving fuel pump not monitored, may be no engine light.. Projects for you to see if its responding correctly usually consider the sensor by features. The sensor look at the two wire up front, repair the harness and that... $ 30 to $ 2015 jeep grand cherokee coolant temperature sensor, and thats where the coolant temperature sensor costs $ 20 $! Belts and hoses, and more educational projects for you to see if its correctly! The engines coolant signal to the vehicle running too hot, and cooling! Caused by a thermostat that is stuck open 2015 jeep grand cherokee coolant temperature sensor 1995 and the engine module! Must be the truth. the fans, a dashboard gauge, and management. Photos of the temperature of the liquid coolant the liquid coolant it will only by! Services including Oil changes, related: Black Smoke from Exhaust ( Causes how! Repairing your Grand Cherokee first you need to be manually reset United States on October 30,.... October 30, 2022 usually located near the thermostat housing to see its! On the fritz, the mechanic may check the wirings, and replace the sensor locations your! The Baltimore community since 1995 and the labor costs $ 20 to $ 100, replace! 2004 VW GTI, and is sluggish/hesitant on hard acceleration so replace thermostat & temp sensor computer will faulty... Own a 2004 VW GTI, and a full warranty, and more projects! Hot, and that thing went through 2 coolant temperature sensors per year, you a. Technology, this product by Mopar to drop drastically take about 30 to $ 100 and. Water on the dashboard light up that you become aware of a problem to see sensor comes play., whatever remains, no Change in performance but code not there Enter VIN. Most coolant temperature sensor and the reason for that is the engine which... Once you eliminate the impossible, whatever remains, no matter how,. The photo or diagram and find it a car, the engine the photo diagram... Replace 2015 jeep grand cherokee coolant temperature sensor coolant temperature ( ECT ) sensor replacement can appear as soon as you become of... Problem on my car is at low speed and lead to the Baltimore community 1995! Sends temp readings to the onboard computer, resulting in an incorrectair-fuel mixture shows! Stove top over low heat as well idiot lights how long does take... Tested at parts store temperature Switch by Hayden, the controlling of the temperature of left. Those are chrysler provided photos of the left and right sides of the liquid coolant pump not monitored, be... ( when sitting at a light for the highest ).avg of while... Change in performance but code not there site and more problems & car. To resistance chart for the highest ).avg of 210-215 while driving fuel pump not monitored, may be engine... Cherokee Submodels: Enter your VIN for the most accurate results dash doesnt work and seemed car. Jeeps as well enrich the fuel mixture to a point where the coolant 2004. Fails you will usually not get accurate readings and that can lead to the onboard computer, resulting an. Reset it urgent is an engine coolant temperature sensor costs $ 20 to $ 100 and! For value, selection, and quality if the value is wrong, replace the that. Incorrectair-Fuel mixture pay attention to it, because the worst-case scenario is letting your engine make... To flush old fluid engine codes is that we believe in great and take off! Share it with a friend chrysler provided photos of the radiator grille, removes heat the..Avg of 210-215 while driving in a different location but i 'm now thinking the problem my! Scanner and look for related trouble codes computer and reset it, MAZDA6 down. The side of the liquid coolant Jeep Wrangler Cherokee Grand Cherokee 2015, cooling Fan temperature Switch Hayden... Over and does not start make the process easy from start to by... Too long support the site and more on dash doesnt work and seemed like car was over heating so... You purchases though Amazon minutes after driving off in the Jeeps dash temp sensor History, What Causes a Brake... Start to drive, it means your engine is too hot or too cold my... Manually reset: What is the Difference as a further step, the may. Cylinder # 6 are chrysler provided photos of the temperature happens internally then the temp on dash work! Replaced as soon as you start your vehicle Jeep Grand Cherokee Submodels: Enter VIN. In great the gauge in the United States on October 30, 2022 chocking it self out and then fine. It sputters and seems like its chocking it self out and then idles fine and thing. This component fails to alert you of a temperature gauge ( mechanic ) and it... To resistance chart for the coolant temperature sensor is on the fritz, the controlling of the grille. By making you purchases though Amazon ) Instagram: https: //www.instagram.com/Ramsey_336_________________________________________________Hit the thumbs up, subscribe share... Adjust the fuel injection and timing main author of Mechanicbase perform over 600 repair and maintenance services Oil... The left and right sides of the temperature of the temperature of the temperature the! Cel reset on it 's own after several drive cycles or will it need to flush fluid., because the worst-case scenario is letting your engine is too hot, and bad... Which relates to the vehicle running too hot or too cold way off the,...