So this may help V8 owners. The correct part number for a 2015 JK Wrangler is 6816 4627-AA. I checked the upper radiator hose at startup and it immediately gets warm. 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. With this information, the engine control module adjusts the air-fuel mixture depending on the temperature. Remember to always make sure the coolant temperature is low when doing this kind of work!! 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This code can appear as soon as you start your vehicle, or it can also occur while driving. The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. . 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. If there is a code it will be code 22 per the light flashes. Verified Purchase. These measurements produce essential data for the engine system of your vehicle. A typical engine cooling temperature sensor is a Negative Temperature Coefficient (NTC) thermistor, which means its electrical resistance decreases when the temperature increases. The most common symptom of a P0128 trouble code in a Jeep Grand Cherokee is an illuminated malfunction indicator lamp (MIL). Find the coolant temperature sensor and remove the connector plugs. 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. If youre new here, engine coolant is the liquid that circulates around the engine, absorbing heat, to keep the engine from overheating. VERIFY FITMENT AND TRIM GRAND CHEROKEE 01 4.7L (4.7L, VIN N, 8th digit, 16. Its a powerful engine coupled with a heavy-duty suspension and four-wheel drive. But it does come back the next morning if I drive straight off from cold 227,868 miles, $88 - If it is way off the range, check the wirings, and replace the sensor. 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. What do you do when youre overheating with a fever? JUST IN! And the coolant temperature sensor keeps track of the temperature of the coolant. You see, your cars computer uses information from the sensor to control a long list of important functions including fuel delivery and spark control. Learn how your comment data is processed. If it is easy to pinch the hose, the engine coolant will typically flow through it. 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. Some cars use the engine coolant temperature sensor to control the electric cooling fans. What is an Engine Coolant Temperature Sensor? Visit Norfolk Auto Center to check out this used 2015 Jeep Grand Cherokee in person. What are you working on today? You go to the doctor! The success of the sensor directly affects the engines life. Hello William. 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. Radiator Fan Is Not Working? Now a new code popped up on scanner p0404 which is EGR sensor I believe lol. 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/. Thats to make them so simple that an idiot can understand that something is wrong. There are cheaper ones on the market, but I heavily recommend buying a quality one like Bosch to skip the headaches. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans not starting. When this sensor fails You will usually not get accurate readings and that can lead to the vehicle running too hot or too cold. 10 jeep coolant temp sensors Review: 1. Just FYI, i'v definitely identified the ECT Sensor correctly as when removed, the dash gauge drops to 0 {all the way to the left}. 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 First: 2011 Jeep Grand Cherokee Overland 4x4. Luckily, it was a $23 part that could be replaced in 3 minutes (if the coolant wasn't hot). This part was specially designed to maintain the efficiency Jeep Grand Cherokee 2015, Engine Coolant Temperature Sensor by Mopar. This site uses Akismet to reduce spam. 1 - 9 of 9 Posts This is an older thread, you may not receive a response, and could be reviving an old thread. If the computer detects any problem with the sensors circuit, it will illuminate the check engine light, indicating that the car needs an inspection. 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 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. Core Charge. The engine coolant temperature sensor can have a hard impact on the air-fuel mixture. Performance problems, such as rough running, reduced fuel economy and stalling, can be an indicator of a failing temperature sensor for your coolant. If it isnt, theres likely an issue with the thermostat itself. Extend the service life of your engine and make it running smoothly with this high-quality product by Mopar. Thank you for this great diagram. Carefully crafted from premium materials Excellent corrosion and wear resistance $66.49 On Mopar.com they show the ECT in a different location but I'm thinking this is the V8 engine. 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! 212F is fine for the engine. How to Diagnose a Faulty Engine Coolant Temperature Sensor? . We come to you with all the necessary tools and parts. This will cause the engine tovibrate or shakewhen the car is at low speed and lead to other power losses and strange behaviors. No change in performance and reset codes. RELATED: Black Smoke From Exhaust (Causes & How to Fix it). Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, If it seems fine, check the wirings and connectors between the coolant temperature sensor and the engine control module. Adjustable (140 - 220 F) with Jeep Grand Cherokee 2015, Engine Cooling Fan Module by WVE. Check for vacuum leaks. However, there are more symptoms you should be aware of. 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. 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. Other symptoms may include poor engine performance and a decrease in fuel economy. Copyright 2016 - 2019, Jeep and Jeep Wrangler are registered trademarks of Chrysler Group LLC. Find out what the symptoms are and how much it will cost to replace it. Yes, a bad coolant temp sensor can prevent the engine from starting. Tq so much. Come join the discussion about performance, engine swaps, modifications, classifieds, troubleshooting, maintenance, and more! Connector Shape: Rectangle. National Motors has been selling vehicles to the Baltimore community since 1995 and the reason for that is that we believe in great . SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. P0128 is not a severe threat to the immediate drivability of your Grand Cherokee. Free Same Day Store Pickup. Its a small package with a large responsibility. Often this code causes the Check Engine light to come on and off in cold temperatures. A code reader shows code PO11F which relates to the coolant temperature sensor. The PCM uses this temperature reading to adjust the fuel injection and timing. Activated by radiator temp and/or A/C Clutch. Set Condition: In most cars, you have two separate temperature sensors for the fans, a dashboard gauge, and engine management. If you have two pins on the coolant temperature sensor, you can try measuring the ohm value between these two pins. A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. It may work for other fuel injected Jeeps as well. Wear and tear from age. All rights reserved, FixJeeps.com, its owners and affiliates are in no way affiliated with Chrysler Goup LLC. $108, 5.7L V8 Limited I replaced water pump, thermostat and both temperature sensors but I still get the warning sign Any help??? 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. Maintain the efficiency Jeep Grand Cherokee 2015, engine swaps, modifications, classifieds, troubleshooting,,! 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