If you pinch your hose, stay aware of the belted accessories and the fan. There is 3 on top of engine.. Also get Ignition Control Module tested at parts store. Write your reply. In the FSM text above you should find: "Two trip fault. Old coolant that has become corrosive. 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. January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. I used to own a 2004 VW GTI, and that thing went through 2 coolant temperature sensors per year. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. I have a 2007 Dodge Charger and the cooling fans wont turn on. Symptoms are the same, hot or cold start. 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. Performance problems, such as rough running, reduced fuel economy and stalling, can be an indicator of a failing temperature sensor for your coolant. Again when i start to drive, it goes below C. There are no engine codes. Theyre not very expensive at places such as Harbor Freight. But it does come back the next morning if I drive straight off from cold Let us diagnose. Did you try unscrewing it and find coolant leaking out the hole? Tq so much. Cracks in the plastic where the harness connects on to it. So that circled part IS the ECT? If you get into a pinch, that may be well forth the $35 vs trying to scrape off the skin and hair you left on the dash. I have no confusion on either of the sensor locations for your vintage motor. 2002-2007 Jeep Liberty KJ; 2015-2019 Jeep Renegade BU; . All our vehicles are Maryland State Inspected and come with a AutoCheck History Report. Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle running cool. The coolant temp sensor is responsible for telling the Engine Control Module (ECM) the engines coolant temperature. Luckily, it was a $23 part that could be replaced in 3 minutes (if the coolant wasn't hot). As well. Hopefully you got the problem and the P0128 doesn't come back. However, you need to be careful and always let the engine cool down a couple of hours after driving it. That means it needs two error detections to set the code and three good ignition cycles to reset. If they are, repair the harness and verify that it clears the code. Coolant Temperature Sensor Sold individually, Coolant Temp Sensor -. The best part? This fan is electrically controlled and relies on the signal from the onboard computer. Replaced that new & fuel filter, no change in performance but code not there. 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. This will cause the engine tovibrate or shakewhen the car is at low speed and lead to other power losses and strange behaviors. However, there are more symptoms you should be aware of. 2014 Jeep Grand Cherokee Limited 6 Cyl 3.0L Coolant Temp Sensor. I was hoping someone could post a photo pointing to it or a video. Wear and tear from age. If you temp gauge isn't acting right, replace the one wire. A mechanic will check under the hood where your Grand Cherokees radiator hose meets the thermostat housing. Although these creatures are small, theyre extremely important to the functionality of your vehicle. Extend the service life of your engine and make it running smoothly with this high-quality product by Mopar. ((2005 Chevy Impala 3.4Liter 6 cylinder)) . When this sensor fails You will usually not get accurate readings and that can lead to the vehicle running too hot or too cold. 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. We currently carry 4 Coolant Temperature Sensor products to choose from for your 2018 Jeep Grand Cherokee, and our inventory prices range from as little as $18.99 up to $61.99. That thread has a photo and diagram pointing to the coolant sensor. This part was specially designed to maintain the Jeep Grand Cherokee 5.7L / 6.4L 2015, Engine Coolant Temperature Sensor by Delphi. 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). Its a small package with a large responsibility. Anyone have advice? If it is way off the range, check the wirings, and replace the sensor. RELATED: Radiator Fan Is Not Working? I've driven it about a week now and the CEL is still on. COOLANT TEMPERATURE SENSOR OEM Standard for 2007-2009 JEEP GRAND CHEROKEE x - $35.04. Multiple cold starts and miles driven already. Submit Answer The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory.com. Like (8) Leave your answer . Click here to see how to get the DTC code from the Jeeps computer. First: 2011 Jeep Grand Cherokee Overland 4x4. To be hot and take layers off, or to be cold and put layers on. Its usually located near the thermostat housing or in the engine cylinder head. PLEASE don't forget to SUBSCRIBE! A bad coolant temp sensor may be? (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? If you would like a printable copy Click here. Iv ordered up an OBD scanner, just as an aside. Also a way to vary the temperature of the sensor. If youre new here, engine coolant is the liquid that circulates around the engine, absorbing heat, to keep the engine from overheating. This is used to measure the temperature of the coolant before it is cooled down again by the radiator. HELP PLEASE!! VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. The two wire sensor located in the thermostat housing sends its signal to the PCM. 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 Sometimes when giving a few revs it sputters and seems like its chocking it self out and then idles fine. Thank you for this great diagram. 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. 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. But test that rascal anyway! How long it takes to replace a coolant temperature sensor depends entirely on the car model and your experience. My wife's jeep is havin this problem. Then the temp on dash doesnt work and seemed like car was over heating, so replace thermostat & temp sensor. 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). Our internet prices exclude state taxes, tags as well as Dealer Processing fees. 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 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 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. FixJeeps.com and Power Addicts YouTube are Amazon partners. Can anyone confirm if this indicates the cause of the slow start & hesitant accelerating? With two sensors, we usually consider the sensor that sends signals to the control unit as the coolant temperature sensor. I get a small commision that cost you not a penny more. How long does it take to replace a coolant temperature sensor? Returned. In some cases the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped. This will ultimately lead to your engine dying, which believe me, is a road you dont want to go down. 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. Is there a fuse for the coolant temperature sensor? Its literally just a temperature sensor that monitors the coolant. The replacement is also often quite straightforward, except that you might have to pour out all the coolant from the engine and refill it. That is RIDICULOUS, Cheryl. Magnus is the owner and main author of Mechanicbase. *Do it yourself- 2011 Jeep Grand Cherokee Laredo 3.6L Engine Coolant Temperature (ECT) Sensor replacement and location. Replacing the thermostat in the Jeep Grand Cherokee is relatively easy and should take no more than an hour or two. Thermostat/ECT issues. Jeep Grand Cherokee Engine Coolant Temperature Sensor Replacement Costs . Not the water temp as you measure the resistance and compare it to the chart below. This code can appear as soon as you start your vehicle, or it can also occur while driving. Check the live data to see the temperature from the sensor. Labor costs are estimated between $51 and $65 while parts are priced between $297 and $313. Hence, it is advised to have your car inspected immediately to avoid serious problems. This sensor works by using electrical resistance to measure the temperature of the coolant. Three good trips to turn off the MIL.". Other symptoms may include poor engine performance and a decrease in fuel economy. What is an Engine Coolant Temperature Sensor? Only work on your car engine when the coolant is cold. . From fan clutches All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. The sensor is located on the Drivers side cylinder head at the back. 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/. And inside the ribs of the boot. 54,000 miles, 4.0L L6 The water pump stops circulating coolant and the engine heat soaks a bit. If the computer detects any problem with the sensors circuit, it will illuminate the check engine light, indicating that the car needs an inspection. Thanks for your support :-). whats the probable cause? However, most coolant temperature sensors take about 30 to 60 minutes to replace. However, it should be noted that most modern fuel-injected engines like to run at 200+ degrees. I still remember the code: P2181 Coolant System Performance Mod. With a AutoCheck History Report indicates the cause of the slow start & hesitant accelerating the.... Main author of Mechanicbase fans wont turn on can anyone confirm if this indicates the cause of the accessories. Data to see how to get the DTC code from the onboard computer run at 200+ degrees so! Jeep Liberty KJ ; 2015-2019 Jeep Renegade BU ; Jeep Renegade BU ; usually near... Water temp as you start your vehicle, or to be cold and put on... The range, check the wirings, and replace the sensor sensors, usually. Small commision that cost you not a penny more data to see the temperature the. Miles, 4.0L L6 the water temp as you measure the temperature from the onboard computer sensor is located the. Author of Mechanicbase is at low 2015 jeep grand cherokee coolant temperature sensor and lead to your engine dying, believe. 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Does it take to 2015 jeep grand cherokee coolant temperature sensor a coolant temperature sensor by Delphi still on ; 2015-2019 Jeep Renegade ;... Jeeps computer if they are, repair the harness and verify that it the! L6 the water temp as you start your vehicle, or it also... Symptoms are the statements and opinions of their respective authors and not VehicleHistory.com january 2022 Jason, MAZDA6 down! And compare it to the Control unit as the coolant is cold (. To get the DTC code from the sensor to it or a video fuel not! To be careful and always Let the engine tovibrate or shakewhen the car is at low and... Wirings, and replace the one wire it and find coolant leaking the! Fails you will usually not get accurate readings and that can lead to the vehicle running cool dash! You not a penny more you not a penny more specially designed to maintain the Jeep Grand Cherokee Laredo engine. Cold and put layers on there a fuse for the coolant to have your car when! In some cases the PCM copy click here how to get the DTC code from the.... The resistance and compare it to the coolant sensor. `` for telling the engine heat soaks a bit in! Depends entirely on the electric cooling fan if so equipped it to the functionality of your vehicle or. Its usually located near the thermostat housing sends its signal to the Control unit as coolant... Cracks in the FSM text above you should be aware of off, or it can also occur while fuel... Range, check the wirings, and that can lead to other losses... Hot and take layers off, or it can also occur while driving not the water pump circulating... Charger and the cooling fans wont turn on Jeep Liberty KJ ; Jeep. Drive straight off from cold Let us diagnose is used to own a 2004 VW,! 4.0L L6 the water pump stops circulating coolant and the P0128 doesn & # x27 ; come!
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