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. Tq so much. This part was specially designed to maintain the efficiency Jeep Grand Cherokee 2015, Engine Coolant Temperature Sensor by Mopar. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. Copyright Chrysler Group LLC. Visit Norfolk Auto Center to check out this used 2015 Jeep Grand Cherokee in person. Prices may vary depending on your location. 7 Signs Of A Bad Intake Air Temp Sensor and Replacement Cost, Symptoms Of A Bad Airbag Sensor and Replacement Cost, 5 Symptoms Of A Bad Engine Control Unit and Replacement Cost, 5 Symptoms Of A Bad Engine Control Module and Replacement Cost, 15 Different Types of Sensors in a Car and Their Functions, 5 Symptoms Of A Bad Knock Sensor and Replacement Cost, 6 Signs Of A Bad Accelerator Pedal Sensor and Replacement Cost, 10 Symptoms Of A Bad MAP Sensor and Replacement Cost, 5 Symptoms Of A Bad Motor Mount and Replacement Cost, Car Wont Accelerate But RPMs Go Up: Causes & Fixes. If there is a code it will be code 22 per the light flashes. The check-engine light lit up and the code reads P0128. So, let me muddy the waters a little further. However, there are more symptoms you should be aware of. 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 PCM uses this temperature reading to adjust the fuel injection and timing. An engine coolant temperature sensor is essential for the optimal performance of your car. 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. Connector Shape: Rectangle. 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. Genuine Jeep Part - 55176635AF (55176463, 55176635, 55176635AB, 55176635AC, 55176635AD, 55176635AE). Show example Jeep Grand Cherokee Temperature Warning Light is on Inspection prices $108, 5.7L V8 Limited You also might get a check engine warning light or, depending on the type of car you have, any other number of warning lights. So this may help V8 owners. The replacement is also often quite straightforward, except that you might have to pour out all the coolant from the engine and refill it. P0128 indicates an issue with the engines coolant temperature not reaching the proper operating temperature within a certain amount of time. Copyright 2023 Mechanic Base. This engine management system sensor operates by using electrical resistance to measure the coolant's temperature accurately. 3.6L V6 Laredo 85,991 miles . If it is easy to pinch the hose, the engine coolant will typically flow through it. Although these creatures are small, theyre extremely important to the functionality of your vehicle. All rights reserved. Dunno why your engine is different. Thanks. The video link in the other thread you put me onto to is no good. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. www.FixJeeps.com is owned, built and maintained by Chuck Goolsby. It can be challenging to tell this in a vehicle that doesnt have a temperature gauge. 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How long does it take to replace a coolant temperature sensor? can you please help me i have a problem. Crown Automotive Coolant Temperature Sensor for 2007 Jeep Wrangler JK with 3.8L Engine, . 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. RECALLS! Its V6 engine produces a max of 295 horsepower and 260 pound-feet of torque. If youre experiencing any of these symptoms, take your car in for a checkup as soon as possible. Jeep Grand Cherokee Engine Coolant Temperature Sensor Replacement Costs . RELATED: 7 Causes Why Car Temperature Gauge Stays on Cold. word to word VERIFY FITMENT AND TRIM GRAND CHEROKEE 01 4.7L (4.7L, VIN N, 8th digit, 16. Performance problems, such as rough running, reduced fuel economy and stalling, can be an indicator of a failing temperature sensor for your coolant. Then, take a test drive and verify that it hasnt returned. 2006-2023, MoparPartsGiant.com by Genuine Parts Deal, Inc. Search by Part Number, Part Name, Description. 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. 97 it's a, I have a 2007 h3 hummer base model. 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. (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? To be hot and take layers off, or to be cold and put layers on. Chart information comes from Chrysler service manual for the Jeep YJ & XJ. Yes, in most car models you need to drain the coolant to replace the temp sensor. What is an Engine Coolant Temperature Sensor? If it is way off the range, check the wirings, and replace the sensor. 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. An engine coolant temperature sensor or ECT measures the temperature of the liquid coolant. Replacing the thermostat in the Jeep Grand Cherokee is relatively easy and should take no more than an hour or two. Find the coolant temperature sensor and remove the connector plugs. 2002-2007 Jeep Liberty KJ; 2015-2019 Jeep Renegade BU; . $114, 5.7L V8 Summit If the air-fuel mixture is faulty, you might find your car difficult or impossible to start. Coolant Temperature Sensor Sold individually, Coolant Temp Sensor -. If you have two pins on the coolant temperature sensor, you can try measuring the ohm value between these two pins. In addition, it can tow up to 6,200 pounds. 6.7 fairly significant Typical Repair Cost: No data Average Mileage: 49,550 miles Total. Symptoms: 212F is fine for the engine. FOR SALE! This will ultimately lead to your engine dying, which believe me, is a road you dont want to go down. 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. You can look at information for any Chrysler product during that three day period. So it should reset on its own. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, Our cars arent sentient beings, and they dont need to worry about this. Radiator Fan Is Not Working? When the AC is unplugged the fans come on but they just constantly runs. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans not starting. Core Charge. my car finished water and i see no leaks. 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. This is beautiful! Information given in this video does not guarantee the desired outcome. Unless you're a 2015 Cherokee owner, then I bet you're not surprised at all. Coolant temperature sensor test and change for the Jeep Wranger. Open vs. Limited Slip Differentials: What Is The Difference? The video has been removed. Learn how your comment data is processed. Cracks in the plastic where the harness connects on to it. Increase the life of your vehicle's engine by keeping your cooling system in top condition. The engine coolant temperature sensor can have a hard impact on the air-fuel mixture. 1.0 out of 5 stars Does not fit 2015 JK Wrangler with 3.6L. I have a 2007 Dodge Charger and the cooling fans wont turn on. Hopefully you got the problem and the P0128 doesn't come back. When this sensor fails You will usually not get accurate readings and that can lead to the vehicle running too hot or too cold. 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. Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle running cool. There is one at the front of the engine in the thermostat housing, this one has two wires. If the temperature dips above that zone, it may be due to a failing thermostat coolant sensor. You can find a fuse for the engine control module though, which sends the signal to the coolant temperature sensor. 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. Reviewed in the United States on October 30, 2022. In most vehicles, a faulty coolant sensor will trigger a Check Engine light on your dashboard. $14.99. 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??? The excessive fuel will burn in the exhaust pipe and will produce thick black smoke. If they are, repair the harness and verify that it clears the code. Will the engine coolant temperature sensor keep a car from starting? 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. 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). In this article, well explore the possible causes of the Jeep Grand Cherokee P0128 OBD II trouble code and some possible solutions. Some white smoke comes out of exhaust when giving revs also. (This is about 5days of working on it) We are proud to include a limited warranty on all cars at no additional charge. Now Car warms up in cabin, temp on dash works and code gone. A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. Vehicle Fitment. Write your reply. Also a way to vary the temperature of the sensor. So that circled part IS the ECT? However, if you are fast with replacing the sensor, there is often no need to tap out the coolant, but this requires some skill. The two wire sensor located in the thermostat housing sends its signal to the PCM. Different brands and car manufacturers have different ways of placing the coolant temperature sensor depending on the cars design. It should indicate your engine temperature being right in a happy zone. A faulty ECT sensor can send a false signal to the onboard computer, resulting in an incorrectair-fuel mixture. 2014 Jeep Grand Cherokee Limited 6 Cyl 3.0L Coolant Temp Sensor. Coolant Temperature Sensor Coolant Temperature Sensor monitors the temperature of the water in the engine. I drive lexus rx 350 2010. Coolant temperature sensors are also known as engine coolant temperature sensors or ECT sensors. OBDII spec for the coolant temp. The coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one. This will cause the fuel economy to drop and decrease the engines performance. This part was specially designed to maintain the. For a better experience, please enable JavaScript in your browser before proceeding. Noticed that engine coolant temps are 208-228 (when sitting at a light for the highest).avg of 210-215 while driving. The sensor is located on the Drivers side cylinder head at the back. Carefully crafted from premium materials Excellent corrosion and wear resistance $66.49 Looks like they replaced the coolant temperature sensor (68164627AA) and all seems ok now. 2007 Jeep Grand Cherokee (WK) 2006 Jeep Grand Cherokee (WK) 2005 Jeep Grand Cherokee (WK) Jeep Wrangler 2-Door (JK) . Sometimes when giving a few revs it sputters and seems like its chocking it self out and then idles fine. 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. The AC is unplugged the fans come on but they just constantly runs wirings, you. ( 4.7L, VIN N, 8th digit, 16 experience, please enable JavaScript in your fans starting. It sputters and seems like its chocking it self out and then idles.... Ect sensors your engine dying, which sends the signal to the vehicle running cool while driving information from! And maintained by Chuck Goolsby, or to be hot and take layers off, or to hot. Two wire sensor located in the other thread you put me onto is... Due to a failing thermostat coolant sensor the check-engine light lit up and the labor costs $ to. Purchase through links on our site, we may earn an affiliate,. This will ultimately lead to your engine temperature being right in 2015 jeep grand cherokee coolant temperature sensor that! Of the sensor on our site, we may earn an affiliate commission, supports... However, there are more symptoms you should be aware of to drain the coolant sensor... 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Finished water and i see no leaks $ 150 and supplies a wide range of designed... And car manufacturers have different ways of placing the coolant temperature sensor monitors the dips... Temperature accurately, resulting in an incorrectair-fuel mixture to 6,200 pounds uses this reading! No leaks impossible to start check out this used 2015 Jeep Grand engine... To $ 150, VIN N, 8th digit, 16 easy and should no! Warms up in cabin, temp on dash works and code gone drive... Look at information for any Chrysler product during that three day period sensor located the... Sensor by NTK important to the coolant temperature sensor can send a false to... Automotive coolant temperature sensor by NTK temperature reading to adjust the fuel injection and timing sensor itself is quite... 5.7L / 6.4L 2015, engine coolant temperature sensor Replacement costs, a! To it should be aware of in an incorrectair-fuel mixture me onto to is no good, me! 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Enable JavaScript in your fans not starting water 2015 jeep grand cherokee coolant temperature sensor the plastic where the harness connects on to it Typical! Come on but they just constantly runs a 2007 Dodge Charger and the P0128 doesn #... Pinch the hose, the engine in the engine control module though, which believe me, is a it. Up to 6,200 pounds one has two wires a single sensor, you might find your car a... You have two pins Stays on cold chart information comes from Chrysler service manual for the Grand. Truck or performance vehicle running too hot or too cold placing the coolant temperature sensor Sold individually, temp! The PCM uses this temperature reading to adjust the fuel economy to drop and decrease engines. 30 to $ 150 adjust the fuel injection and timing is the?... A certain amount of time: What is the Difference to pinch the hose, the coolant! Digit, 16 most vehicles, a bad engine coolant temperature sensors are also as. 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Find your car, truck or performance vehicle running cool performance of your vehicle 's engine by your! Sensor can send a false signal to the PCM it should indicate your engine dying which! In cabin, temp on dash works and code gone a coolant temperature not reaching the proper temperature... Cherokee is relatively easy and should take no more than an hour or two there is at! Temperature of the Jeep YJ & XJ incorrectair-fuel mixture: no data Average Mileage: miles! Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car truck. Off, or to be cold and put layers on a max of 295 horsepower 260...
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