Different brands and car manufacturers have different ways of placing the coolant temperature sensor depending on the cars design. I have a 2007 Dodge Charger and the cooling fans wont turn on. You'd be surprised. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Coolant Temperature Sensor products for the 2018 Jeep Grand Cherokee. Some white smoke comes out of exhaust when giving revs also. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better? 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. We come to you with all the necessary tools and parts. Not the water temp as you measure the resistance and compare it to the chart below. Also, it means your engine is too hot, and thats bad news. Fits the following 2014 Jeep Grand Cherokee Submodels: Enter your VIN for the most accurate results. 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. Magnus is the owner and main author of Mechanicbase. Please narrow the Coolant Water Temperature Sensor results by selecting the vehicle. Especially if the sensor is under a direct short or completely open circuit condition. All rights reserved, FixJeeps.com, its owners and affiliates are in no way affiliated with Chrysler Goup LLC. Do not Attempt!AMAZON ASSOCIATES DISCLOSUREWorld Mechanics is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com*DisclaimerWe, World Mechanics, are not responsible for property damage or injury incurred as a result of any of the information contained in this video. Please SUBSCRIBE if I saved you some Money!! Features : The two wire sensor located in the thermostat housing sends its signal to the PCM. 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. If it fails the test you are in luck. The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. Learn how your comment data is processed. If the air-fuel mixture is faulty, you might find your car difficult or impossible to start. 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. Designed utilizing the latest technology, this product by NTK features premium quality and will perform better than advertised. Use a thermometer to measure the water temp as it climbs. Please consider creating a new thread. No, you likely wont find a fuse for the coolant temperature sensor itself. $108, 5.7L V8 Limited Fits the following Jeep Grand Cherokee Years: Enter your VIN for the most accurate results. The oil sensor requires the manifold to be removed where the real coolant sensor just needs a bit of coolant drained, electrical sensor disconnected, and unscrewed from the head. Will the engine coolant temperature sensor keep a car from starting? 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. For a 99 Dodge Ram 1500, 5.9 M, where can I buy a ECT pigtail? (This is about 5days of working on it) It can be challenging to tell this in a vehicle that doesnt have a temperature gauge. The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. Get a guaranteed quote from RepairSmith today. Engine coolant temp. Carefully crafted from premium materials Excellent corrosion and wear resistance $66.49 This engine management system sensor operates by using electrical resistance to measure the coolant's temperature accurately. Visit Norfolk Auto Center to check out this used 2015 Jeep Grand Cherokee in person. Then the temp on dash doesnt work and seemed like car was over heating, so replace thermostat & temp sensor. If the fan receives a false signal, the fan might not turn on, causing the engine to overheat. February 27, 2023 . The video link in the other thread you put me onto to is no good. Ride safe~ You see, your cars computer uses information from the sensor to control a long list of important functions including fuel delivery and spark control. Which is exactly what you should do if you have a failing sensor. Chart information comes from Chrysler service manual for the Jeep YJ & XJ. Its essential to address this issue immediately, as vehicles with this issue have increased emissions and decreased fuel efficiency. No black smoke. 2017-2021 Jeep Grand Cherokee Sensor-Fluid Temperature Part Number: 68217702AC Vehicle Specific Other Name: Sensor Fluid Temperature $15.88 MSRP: $23.45 You Save: $ 7.57 ( 33%) Check the fit Add to Cart Fits the following Jeep Grand Cherokee Years: With two sensors, we usually consider the sensor that sends signals to the control unit as the coolant temperature sensor. I was hoping someone could post a photo pointing to it or a video. Check for vacuum leaks. Extend the service life of your engine and make it running smoothly with this high-quality product by Mopar. So it should reset on its own. I have no overheating problems & otherwise car runs great. Voltage: 12 V. Radiator Mounted. Please help supprt FixJeeps.com by making you purchases though Amazon. We cannot guarantee the accuracy of all trouble codes. That thread has a photo and diagram pointing to the coolant sensor. P0128 indicates an issue with the engines coolant temperature not reaching the proper operating temperature within a certain amount of time. Radiator Fan Is Not Working? A bad coolant temperature sensor can cause your vehicle to overheat. January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. If you would like a printable copy Click here. Letting them run too cool can cause problems after an extended period. If the value is wrong, replace the sensor. Visit Performance Honda in Fairfield #OH serving Fairfield, Hamilton and Colerain #1C4RJFBGXFC914524 The coolant temp sensor is responsible for telling the Engine Control Module (ECM) the engines coolant temperature. Standard Ignition 2 Terminal Multi-Purpose Connector - S816. RELATED: 7 Causes Why Car Temperature Gauge Stays on Cold. The Fora platform includes forum software by XenForo. 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 A bad engine coolant temperature sensor can lead to all sorts of problems with your car. Replace it. If it is way off the range, check the wirings, and replace the sensor. 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. Now a new code popped up on scanner p0404 which is EGR sensor I believe lol. From fan clutches All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. your Facebook account, or anywhere that someone would find this page valuable. And one other thing, back to my first question. A typical engine cooling temperature sensor is a Negative Temperature Coefficient (NTC) thermistor, which means its electrical resistance decreases when the temperature increases. How urgent is an Engine Coolant Temperature Sensor replacement. And trust me, you dont want that. Theres a temperature gauge on your dashboard, right next to your speedometer. Wear and tear from age. JUST IN! Only work on your car engine when the coolant is cold. Will the CEL reset on it's own after several drive cycles or will it need to be manually reset? I checked the upper radiator hose at startup and it immediately gets warm. Add to Cart. 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Copyright 2016 - 2019, Jeep and Jeep Wrangler are registered trademarks of Chrysler Group LLC. P1028 code/check engine light troubleshooting. Below is the Temp to resistance chart for the Jeep YJ & XJ. This is used to measure the temperature of the coolant before it is cooled down again by the radiator. Replacing the thermostat in the Jeep Grand Cherokee is relatively easy and should take no more than an hour or two. COOLANT TEMPERATURE SENSOR OEM Standard for 2007-2009 JEEP GRAND CHEROKEE x - $35.04. There is 3 on top of engine.. Also get Ignition Control Module tested at parts store. - Sherlock Holmes. Its a small package with a large responsibility. FixJeeps.com and Power Addicts YouTube are Amazon partners. 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! Coolant Temperature Sensor Sold individually, Coolant Temp Sensor -. This will cause the engine tovibrate or shakewhen the car is at low speed and lead to other power losses and strange behaviors. 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. Hopefully you got the problem and the P0128 doesn't come back. The P0128 OBD II trouble code indicates that your Jeep Grand Cherokee's engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the vehicle. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans not starting. What is an Engine Coolant Temperature Sensor? And inside the ribs of the boot. 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. http://www.jeepforum.com/forum/f309/location-coolant-temp-sensor-3093529/, Screen Shot 2016-05-17 at 11.01.07 PM.png, jeep-wrangler-jk-3-6-pentastar-engine-used-angle.jpg, http://www.mopar.com/part/05149077AB?s=326463&i=2481451&b=jeep, http://www.mopar.com/jeep/grand-cherokee/2011/shop/326463/27/3177/. This baby packs a 5.7 Hemi V8 and a 2 owner accident free CARFAX History report! Like (8) Leave your answer . If the sensor for your coolant temperature is on the fritz, the computer will receive faulty information, leading to engine performance problems. 6.7 fairly significant Typical Repair Cost: No data Average Mileage: 49,550 miles Total. Iv ordered up an OBD scanner, just as an aside. COOLANT TEMPERATURE SENSOR LOCATION REPLACEMENT JEEP CHEROKEE COMPASS RENEGADE 2.4If you need to remove the coolant temperature sensor and replace the coolant temperature sensor on Jeep Cherokee, Compass, or Renegade with 2.4 multiair engine we will explain how to do that, what tools you need, and where the coolant temperature sensor is located. However, if you are fast with replacing the sensor, there is often no need to tap out the coolant, but this requires some skill. Get an exact fit for your 2015 Jeep Cherokee Add a Vehicle 1-5 of 5 Results Filter Sort by Brand Show example Jeep Grand Cherokee Temperature Warning Light is on Inspection prices 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. Check the live data to see the temperature from the sensor. The excessive fuel will burn in the exhaust pipe and will produce thick black smoke. What is an Engine Coolant Temperature Sensor? More cases than not you may find it being a wiring issue than the sensor its self. I am in the UK & have a 2015 Seat Leon 1.4tsi 150bhp car. There is one at the front of the engine in the thermostat housing, this one has two wires. $114, 5.7L V8 Summit All you need is a multimeter to measure resistance of the contacts at different temperature levels. Has anyone any ideas please.. The coolant temperature switch - otherwise known as the coolant temperature sensor - is primarily responsible for monitoring the engine coolant's temperature. I've driven it about a week now and the CEL is still on. 2015 Jeep Grand Cherokee . Unless you're a 2015 Cherokee owner, then I bet you're not surprised at all. Replace your faulty engine cooling component with this Jeep Grand Cherokee 2015, Radiator Fan Controller by Four Seasons. Reviewed in the United States on October 30, 2022. Because automakers have already figured it out for them. Replace your worn-out or faulty component with this quality replacement from WVE. If you pinch your hose, stay aware of the belted accessories and the fan. Coolant temperature. 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. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? 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. When the AC is unplugged the fans come on but they just constantly runs. Looks like they replaced the coolant temperature sensor (68164627AA) and all seems ok now. Certified Automotive Diagnostic Technician. 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. Thank you for this great diagram. Good luck figuring out what is going on with your Grand Cherokee! Click here to see how to get the DTC code from the Jeeps computer. Test drive this Used White 2015 Jeep Grand Cherokee 3.6 L 1C4RJEAG8FC218661 for sale near San Antonio. Youll need an infrared temperature gun to verify the temperature at the thermostat. Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle running cool. Thanks! Perfect for your vehicle Jeep Grand Cherokee 2015, Cooling Fan Temperature Switch by Hayden. 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. If all of the above checks out and it still seems like the thermostat is the culprit, then its time to replace it. Symptoms of a failing Engine Coolant Temperature Sensor. The video link in the other thread you put me onto to is no good. Everything is purchased by us!The video is meant for entertainment purposes only. Hello William. 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. I think I am getting poor mileage. The rough idle. But it does come back the next morning if I drive straight off from cold 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. However, most coolant temperature sensors take about 30 to 60 minutes to replace. It may work for other fuel injected Jeeps as well. 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. The coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one. Part Number: GPD1712660. 3.6L V6 Laredo 85,991 miles . On Jeeps there are two coolant sensors. To be hot and take layers off, or to be cold and put layers on. There are cheaper ones on the market, but I heavily recommend buying a quality one like Bosch to skip the headaches. (Causes & Consequences), How to Bleed Your Cars Cooling System (9 Easy Steps), 5 Symptoms Of A Bad Transmission Mount and Replacement Cost. This will ultimately lead to your engine dying, which believe me, is a road you dont want to go down. Leaking around where it screws in or where the electrical connections. Yep. 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 ? Remember to always make sure the coolant temperature is low when doing this kind of work!! 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: See YouTube video at the bottom of the page. I really need help in getting this problem solved what do you think it could be and what should be done? This can lead to serious engine damage, so its important to be aware of the symptoms and get it fixed as soon as possible if you suspect that the coolant temperature sensor is bad. Believe me, not intentional. The debate is never settled. Any injury, damage or loss that may result from improper use of the tools, equipment, or the information contained in this video is the sole responsibility of the user and not World Mechanics. I have no confusion on either of the sensor locations for your vintage motor. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. (7 Causes & How to Fix). 2002-2007 Jeep Liberty KJ; 2015-2019 Jeep Renegade BU; . If the temperature dips above that zone, it may be due to a failing thermostat coolant sensor. Symptoms Of A Bad Coolant Temperature Sensor. All Rights Reserved. This sensor is responsible for sending information to the engine control unit so that it can make adjustments to the engine based on the temperature of the coolant. This part was specially designed to maintain the. If it seems fine, check the wirings and connectors between the coolant temperature sensor and the engine control module. 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. 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. Sometimes when giving a few revs it sputters and seems like its chocking it self out and then idles fine. Three good trips to turn off the MIL.". The engine coolant temperature sensor can have a hard impact on the air-fuel mixture. 2007 Jeep Grand Cherokee (WK) 2006 Jeep Grand Cherokee (WK) 2005 Jeep Grand Cherokee (WK) Jeep Wrangler 2-Door (JK) . You can look at information for any Chrysler product during that three day period. You can find a fuse for the engine control module though, which sends the signal to the coolant temperature sensor. word to word To diagnose the coolant temperature sensor, you need a repair manual for your car model to find what measurement values you should expect from the coolant temperature sensor. Used 2015 Jeep Grand Cherokee Limited Sport Utility Brilliant Black Crystal Pearlcoat for sale - only $16,300. (Diagnosis & Fixes), Engine Coolant Temperature Sensor Replacement. A code reader shows code PO11F which relates to the coolant temperature sensor. The engine coolant temperature sensor is usually located on the engine block or cylinder head. Yes, a bad coolant temp sensor can prevent the engine from starting. Locate the coolant temperature sensor in your vehicle by referring to the service manual. And thats where the coolant temperature sensor comes into play. VehicleHistory.com does not research or authenticate any of the Answers provided. 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 Pick Up In-Store. Add details likeI 195625867179 It can be catastrophic if this component fails to alert you of a temperature issue. So, pay attention to it, because the worst-case scenario is letting your engine stay too hot for too long. . Activated by radiator temp and/or A/C Clutch. Copyright Chrysler Group LLC. Speedometer, Odometer, Oil Pressure, Engine Coolant Temp, Tachometer, Oil Temperature, Transmission Fluid Temp, Engine Hour Meter, Trip Odometer and Trip Computer; . Airbag Occupancy Sensor; Curtain 1st And 2nd Row Airbags; Driver Knee . HELP PLEASE!! PLEASE don't forget to SUBSCRIBE! Is there a fuse for the coolant temperature sensor? 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. The water pump stops circulating coolant and the engine heat soaks a bit. Did you try unscrewing it and find coolant leaking out the hole? 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. P1028 code/check engine light troubleshooting. If there is a code it will be code 22 per the light flashes. In the car world, the malfunction indicator lights are commonly known as idiot lights. whats the probable cause? 80,000 miles, $84 - 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. It makes green lights a lot less fun. 5.7L V8 Overland 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. Its V6 engine produces a max of 295 horsepower and 260 pound-feet of torque. Come join the discussion about performance, engine swaps, modifications, classifieds, troubleshooting, maintenance, and more! On Mopar.com they show the ECT in a different location but I'm thinking this is the V8 engine. Hence, it is advised to have your car inspected immediately to avoid serious problems. Cracks in the plastic where the harness connects on to it. 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). On average, the cost for a Jeep Grand Cherokee Temperature Warning Light is on Inspection is $95 with $0 for parts and $95 for labor. I'm not sure what your confusion is. Like every other component, the ECT sensor can also get damaged, resulting in several engine-related problems. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, Does the 2007 Chrysler 300 c 5.7 hemi 8 use both the oil pressure sensor and the oil temp sensor and if not which one does it use??? Copyright 2023 Mechanic Base. 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. Besides burning it to the ground lol. The most common symptom of a P0128 trouble code in a Jeep Grand Cherokee is an illuminated malfunction indicator lamp (MIL). Very nice explanation. 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. If your engine is frequently overheating or using more gas than usual, it's time to check on your coolant sensor. Returned. If it is easy to pinch the hose, the engine coolant will typically flow through it. Adjustable (140 - 220 F) with Jeep Grand Cherokee 2015, Engine Cooling Fan Module by WVE. Check out free battery charging and engine diagnostic testing while you are in store. Symptoms are the same, hot or cold start. The diagrams and photos in the referenced thread are directly from Chrysler. What do you do when youre overheating with a fever? 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. 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. This site uses Akismet to reduce spam. 2006-2023, MoparPartsGiant.com by Genuine Parts Deal, Inc. Search by Part Number, Part Name, Description. Some cars use the engine coolant temperature sensor to control the electric cooling fans. If you want to be sure, reset the code with an ODB scanner and see if it comes back. 2006-2023, MoparPartsGiant.com by Genuine Parts Deal, Inc. Search by Part Number, Part Name, Description. Find out what the symptoms are and how much it will cost to replace it. . My wife's jeep is havin this problem. Anyone have advice? A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. Let us diagnose. Search 'used 2015 Jeep Grand Cherokee near me' to get custom driving directions from anywhere in the Columbus area. This is beautiful! A faulty ECT sensor can send a false signal to the onboard computer, resulting in an incorrectair-fuel mixture. An excellent way to at least get a good idea of whether its the thermostat or the sensor is to start the vehicle cold and let it idle for ten minutes. All our vehicles are Maryland State Inspected and come with a AutoCheck History Report. 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. The success of the sensor directly affects the engines life. In a car, the controlling of the temperature happens internally. Those are chrysler provided photos of the left and right sides of the 3.6 engine. Old coolant that has become corrosive. That means it needs two error detections to set the code and three good ignition cycles to reset. The fan can come on at any time. I used to own a 2004 VW GTI, and that thing went through 2 coolant temperature sensors per year.