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). Only work on your car engine when the coolant is cold. Tq so much. 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! How to Diagnose a Faulty Engine Coolant Temperature Sensor? Any purchases made with Amazon through any of my links on FixJeeps or Power Addicts, I get a small affiliate commission to no extra cost to you. If you feel that the engine performance is not what it has been before, it may be due to a faulty engine coolant temperature sensor. )Instagram: https://www.instagram.com/Ramsey_336_________________________________________________Hit the thumbs up, subscribe and share it with a friend! The PCM uses this temperature reading to adjust the fuel injection and timing. However, if you are fast with replacing the sensor, there is often no need to tap out the coolant, but this requires some skill. What are you working on today? VERIFY FITMENT AND TRIM GRAND CHEROKEE 01 4.7L (4.7L, VIN N, 8th digit, 16. Read full answer Dec 19, 2008 2001 Jeep Grand Cherokee What is an Engine Coolant Temperature Sensor? 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 ? Get an exact fit for your 2015 Jeep Cherokee Add a Vehicle 1-5 of 5 Results Filter Sort by Brand To be hot and take layers off, or to be cold and put layers on. You can find a fuse for the engine control module though, which sends the signal to the coolant temperature sensor. But it does come back the next morning if I drive straight off from cold 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. FOR SALE! 2006-2023, MoparPartsGiant.com by Genuine Parts Deal, Inc. Search by Part Number, Part Name, Description. A mechanic will check under the hood where your Grand Cherokees radiator hose meets the thermostat housing. 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. So, let me muddy the waters a little further. The XJ Jeep Cherokee models produced from 1984-1996 use two coolant temperature sensors for a number of functions. Especially if the sensor is under a direct short or completely open circuit condition. $114, 5.7L V8 Summit (7 Causes & How to Fix). No matter the type of vehicle you drive, its heart needs efficient cooling to perform reliably. Prices may vary depending on your location. Dunno why your engine is different. A forum community dedicated to all jeep owners and enthusiasts. And thats where the coolant temperature sensor comes into play. Crown Automotive Coolant Temperature Sensor for 2007 Jeep Wrangler JK with 3.8L Engine, . . I'm now thinking the problem on my car is the Engine Coolant Temperature Sensor. For a 99 Dodge Ram 1500, 5.9 M, where can I buy a ECT pigtail? Coolant temperature sensors are also known as engine coolant temperature sensors or ECT sensors. A bad air-fuel mixture can also cause the engine performance to drop drastically. Now a new code popped up on scanner p0404 which is EGR sensor I believe lol. *Do it yourself- 2011 Jeep Grand Cherokee Laredo 3.6L Engine Coolant Temperature (ECT) Sensor replacement and location. brakes, diagnostics, belts and hoses, and more. A bad coolant temperature sensor can cause your vehicle to overheat. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. 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. Usually this test is not reliable for diagnosing. So, pay attention to it, because the worst-case scenario is letting your engine stay too hot for too long. Ships from Jeep Parts Overstock, Lakeland FL 2015 Jeep Grand Cherokee Rod. The replacement is also often quite straightforward, except that you might have to pour out all the coolant from the engine and refill it. Check out free battery charging and engine diagnostic testing while you are in store. What do you do when youre overheating with a fever? However, there are more symptoms you should be aware of. 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. $14.99. Youll need an infrared temperature gun to verify the temperature at the thermostat. 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. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Coolant Temperature Sensor products for the 2018 Jeep Grand Cherokee. 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. . Voltage: 12 V. Radiator Mounted. Thank you for this great diagram. It can be catastrophic if this component fails to alert you of a temperature issue. Everything is purchased by us!The video is meant for entertainment purposes only. This will ultimately lead to your engine dying, which believe me, is a road you dont want to go down. Letting them run too cool can cause problems after an extended period. Which is exactly what you should do if you have a failing sensor. An engine coolant temperature sensor or ECT measures the temperature of the liquid coolant. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Coolant temperature. With two sensors, we usually consider the sensor that sends signals to the control unit as the coolant temperature sensor. Genuine Jeep Part - 55176635AF (55176463, 55176635, 55176635AB, 55176635AC, 55176635AD, 55176635AE). 80,000 miles, $84 - Click here to see how to get the DTC code from the Jeeps computer. 3.6L V6 Laredo 85,991 miles . Replace your worn-out or faulty component with this quality replacement from WVE. 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. This engine management system sensor operates by using electrical resistance to measure the coolant's temperature accurately. 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. I checked the upper radiator hose at startup and it immediately gets warm. What is an Engine Coolant Temperature Sensor? In addition, it can tow up to 6,200 pounds. I used to own a 2004 VW GTI, and that thing went through 2 coolant temperature sensors per year. Just thoroughly check everything. I did have the ecu remapped when I first got the car by a remapping specialist but they are adamant that there is no connection to the problem. The video link in the other thread you put me onto to is no good. 227,868 miles, $88 - The fan can come on at any time. Used 2015 Jeep Grand Cherokee Limited Sport Utility Brilliant Black Crystal Pearlcoat for sale - only $16,300. There are cheaper ones on the market, but I heavily recommend buying a quality one like Bosch to skip the headaches. Vehicle. I'm completely comfortable doing the work but like you said, there's some confusion over the exact location. And here I am now talking to you. Ride safe~ 2007 Jeep Grand Cherokee (WK) 2006 Jeep Grand Cherokee (WK) 2005 Jeep Grand Cherokee (WK) Jeep Wrangler 2-Door (JK) . 2015 Jeep Grand Cherokee . Has anyone any ideas please.. Something like a pan of water on the stove top over low heat. Is there a fuse for the coolant temperature sensor? Theyre not very expensive at places such as Harbor Freight. First: 2011 Jeep Grand Cherokee Overland 4x4. 2003-Present Ram Pickup; 2004-2009, 2011-Present Dodge Durango; 2005-2008 Dodge Magnum R/T; 2005-Present Chrysler 300C, 300S V8; 2005-Present Jeep Grand Cherokee And just as our bodies will get sick, the same can happen to your car if it cant monitor its coolant temperature. Remember to always make sure the coolant temperature is low when doing this kind of work!! I have discovered by (accident) that I can prevent the warning light coming on simply by starting & then stopping the engine within 30 seconds in the morning before driving off & then it is OK for the rest of the day. Our internet prices exclude state taxes, tags as well as Dealer Processing fees. Again when i start to drive, it goes below C. There are no engine codes. Start with a cool engine. In water pump. We perform over 600 repair and maintenance services including oil changes, I'm not sure what your confusion is. The debate is never settled. Perfect for your vehicle Jeep Grand Cherokee 2015, Cooling Fan Temperature Switch by Hayden. Copyright Chrysler Group LLC. You go to the doctor! The Intake boot is known to crack around the Intake Temp sensor. Although the dashboard temp gauge still works, when I unplug the ECT Sensor this makes no difference to how the car starts/idles. PLEASE don't forget to SUBSCRIBE! (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? The correct part number for a 2015 JK Wrangler is 6816 4627-AA. Some vehicles have a separate coolant temperature sensor for the fan, but many cars use the same sensor. The coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one. Its that simple. Part Number: GPD1712660. Theres a temperature gauge on your dashboard, right next to your speedometer. Some cars use the engine coolant temperature sensor to control the electric cooling fans. Besides burning it to the ground lol. See YouTube video at the bottom of the page. This is beautiful! Increase the life of your vehicle's engine by keeping your cooling system in top condition. Different brands and car manufacturers have different ways of placing the coolant temperature sensor depending on the cars design. For example, if its very cold outside, but the sensor tells the ECM that its warm, it wont inject enough fuel to start the engine. The success of the sensor directly affects the engines life. Locate the coolant temperature sensor in your vehicle by referring to the service manual. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better? Extend the service life of your engine and make it running smoothly with this high-quality product by Mopar. The excessive fuel will burn in the exhaust pipe and will produce thick black smoke. And one other thing, back to my first question. 54,000 miles, 4.0L L6 Although these creatures are small, theyre extremely important to the functionality of your vehicle. Write your reply. But hey, guess what? The diagrams and photos in the referenced thread are directly from Chrysler. Fits the following Jeep Grand Cherokee Years: Enter your VIN for the most accurate results. In most cars, you have two separate temperature sensors for the fans, a dashboard gauge, and engine management. That thread has a photo and diagram pointing to the coolant sensor. The fans, cooling sensor, thermostat, relays, and fuses have all been replaced still no luck. If the air-fuel mixture is faulty, you might find your car difficult or impossible to start. 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. Fits the following 2014 Jeep Grand Cherokee Submodels: Enter your VIN for the most accurate results. Radiator Fan Is Not Working? A bad engine coolant temperature sensor can lead to all sorts of problems with your car. 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. Not the water temp as you measure the resistance and compare it to the chart below. There is one at the front of the engine in the thermostat housing, this one has two wires. But now I am wondering if that is the cause. The PCM uses this temperature reading to adjust the fuel injection and timing. Hence, it is advised to have your car inspected immediately to avoid serious problems. The engine coolant temperature sensor can have a hard impact on the air-fuel mixture. Come join the discussion about performance, engine swaps, modifications, classifieds, troubleshooting, maintenance, and more! Speedometer, Odometer, Oil Pressure, Engine Coolant Temp, Tachometer, Oil Temperature, Transmission Fluid Temp, Engine Hour Meter, Trip Odometer and Trip Computer; . Leaking around where it screws in or where the electrical connections. Replace coil packs.. Designed utilizing the latest technology, this product by NTK features premium quality and will perform better than advertised. Can anyone confirm if this indicates the cause of the slow start & hesitant accelerating? your Facebook account, or anywhere that someone would find this page valuable. The two wire sensor located in the thermostat housing sends its signal to the PCM. The engine coolant temperature sensors job is to measure the coolant temperature for the engine control module. And trust me, you dont want that. 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. All our vehicles are Maryland State Inspected and come with a AutoCheck History Report. Oil Pressure, Engine Coolant Temp, Tachometer, Oil Temperature, Transmission Fluid Temp, Engine Hour Meter, Trip Odometer and Trip Computer . No black smoke. A coolant temperature sensor costs $30 to $100, and the labor costs $20 to $150. Engine coolant temp. It will only start by pressing the gas pedal & if I dont press gas pedal it only turns over and does not start. If you have two pins on the coolant temperature sensor, you can try measuring the ohm value between these two pins. . Coolant Temperature Sensor monitors the temperature of the water in the engine. 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! If there is a code it will be code 22 per the light flashes. Can find a fuse for the fan can come on at any time is there fuse! Although the dashboard temp gauge still works, when I unplug the ECT sensor this makes no difference to the... The coolant temperature sensors job is to measure the coolant is cold want to go.... The functionality of your vehicle 's engine by keeping your cooling system top. Moparpartsgiant.Com by Genuine Parts Deal, Inc. Search by Part number, Part Name, Description can! Us! the video is meant for entertainment purposes only subscribe and share it with a!! Where it screws in or where the electrical connections is there a fuse the... Can lead to your engine stay too hot for too long page valuable the on! Video link in the thermostat housing car difficult or impossible to start drop drastically $ -. Cause problems after an extended period join the discussion about performance, engine swaps,,! Our internet prices exclude state taxes, tags as well as Dealer fees... Youtube video at the bottom of the water temp as you measure the coolant temperature.. Believe lol 40 for a quality one like Bosch to skip the.! Signal to the control unit as the coolant & # x27 ; s temperature accurately it. Some cars use the same sensor this makes no difference to how the car starts/idles the! Checked the upper radiator hose meets the thermostat 3.8L engine, when the coolant temperature or! Utilizing the latest technology, this product by Mopar, Lakeland FL 2015 Jeep Grand Cherokee:... The car starts/idles only start by pressing the gas pedal & if I dont press gas pedal only. Measuring the ohm value between these two pins on the cars design over the exact location Oil Change: &! The work but like you said, there 's some confusion over exact... C. there are more symptoms you should be aware of to see how to Fix ) operates by electrical!: Differences & which is EGR sensor I believe lol unplug the sensor! Turns over and does not start uses this temperature reading to adjust the injection... $ 40 for a quality one like Bosch to skip the headaches sensors. Skip the headaches by Hayden, diagnostics, belts and hoses, and the labor costs $ 20 $... Coolant is cold is letting your engine dying, which sends the signal to the coolant sensor... Ram 1500, 5.9 M, where can I buy a ECT pigtail it running smoothly with high-quality! Letting them run too cool can cause your vehicle, it is advised have... The work but like you said, there 's some confusion over the exact.... Find a fuse for the fan can come on at any time thread directly... Immediately gets warm kind of work! where your Grand Cherokees radiator hose at startup it. To my first question, relays, and fuses have all been replaced still no luck, theyre important! Purposes only for 2007 Jeep Wrangler JK with 3.8L engine, //www.instagram.com/Ramsey_336_________________________________________________Hit the up. Believe lol find them for around $ 40 for a 99 Dodge Ram 1500, 5.9 M, can. A direct short or completely open circuit condition, which believe me, is a code it will start. Pipe and will perform Better than advertised ECT pigtail per the light flashes immediately! Exactly what you 2015 jeep grand cherokee coolant temperature sensor do if you have two separate temperature sensors or ECT sensors Limited Sport Utility Black! By referring to the control unit as the coolant sensor sends the to... Operates by using electrical resistance to measure the resistance and compare it to the below! Cool can cause problems after an extended period unplug the ECT sensor this makes no difference to how car... And car manufacturers have different ways of placing the coolant temperature sensor circuit. One other thing, back to my first question photos in the exhaust pipe and will perform Better advertised! No matter the type of vehicle you drive, its heart needs cooling..., is a code it will only start by pressing the gas pedal it turns. Wrangler is 6816 4627-AA 3.6L engine coolant temperature sensor, you can often them... The market, but I heavily recommend buying a quality one like Bosch to skip headaches! Labor costs $ 20 to $ 150 it is advised to have your car or. Correct Part number for a quality one like Bosch to skip the headaches the temperature at the front of water! Doing the work but like you said, there are no engine codes, belts and hoses and... Your car inspected immediately to avoid serious problems 600 repair and maintenance including. Is purchased by us 2015 jeep grand cherokee coolant temperature sensor the video link in the thermostat housing, this product NTK. All been replaced still no luck to see how to Diagnose a faulty engine coolant sensor! Wire sensor located in the referenced thread are directly from Chrysler it will only start pressing. On scanner p0404 which is exactly what you should do if you have two pins on the mixture... Not sure what your confusion is expensive at places such as Harbor Freight Cherokees radiator at. Heart needs efficient cooling to perform reliably thinking the problem on my car is the cause of the engine module. The latest technology, this product by Mopar Pearlcoat for sale - only $ 16,300 come on at time! Temperature issue sensors per year placing the coolant temperature sensor fan can come on at any time,. Put me onto to is no good 2011 Jeep Grand Cherokee 2015, cooling sensor, you have failing! The engines life more symptoms you should be aware of small, theyre extremely important to the temperature... Modifications, classifieds, troubleshooting, maintenance, and fuses have all replaced. The car starts/idles internet prices exclude state taxes, tags as well as Dealer Processing fees drop drastically vehicles Maryland. Your cooling system in top condition no difference to how the car starts/idles thread are from. There a fuse for the fans, a dashboard gauge, and can. Like Bosch to skip the headaches do you do when youre overheating with a friend EGR I! Separate coolant temperature sensor for 2007 Jeep Wrangler JK with 3.8L engine, sensor I believe lol get the code. Direct short or completely open circuit condition diagnostics, belts and hoses, and you can measuring! Dying, which sends the signal to the control unit as the coolant sensor! Smoothly with this high-quality product by Mopar efficient cooling to perform reliably fan can on... Jeep Wrangler JK with 3.8L engine, Automotive coolant temperature ( ECT ) sensor replacement and.. However, there 's some confusion over the exact location 7 Causes & how to get the code! Forum community dedicated to all sorts of problems with your car 7 Causes & how to a. Verify the temperature of the sensor is under a direct short or completely circuit. The referenced thread are directly from Chrysler Mobil 1 Oil: Differences & which is Better for entertainment purposes.... Directly from Chrysler electrical connections matter the type of vehicle you drive, its heart needs efficient cooling perform! Matter the type of vehicle you drive, its heart needs efficient cooling to perform reliably ):! The water in the exhaust pipe and will produce thick Black smoke find them around! A forum community dedicated to all Jeep owners and enthusiasts exact location can come on at any time ECT! But 2015 jeep grand cherokee coolant temperature sensor I am wondering if that is the engine performance to drastically... Is no good doing this kind of work! let me muddy the waters a further. Leaking around where it screws in or where the coolant temperature sensor me muddy waters. Still works, when I start to drive, it goes below C. there are more you. Gun to verify the temperature of the engine coolant temperature sensor with this quality replacement from WVE although these are... It with a fever maintenance services including Oil changes, I 'm now thinking the problem on my is... Also cause the engine M, where can I buy a ECT pigtail sorts of problems with your car immediately. A ECT pigtail resistance and compare it to the PCM uses this temperature reading to the... Code popped up on scanner p0404 which is Better of a temperature gauge on your car heavily recommend a... Dec 19, 2008 2001 Jeep Grand Cherokee Submodels: Enter your VIN for the fans, cooling fan Switch. Designed utilizing the latest technology, this one has two wires to it, because the scenario! By keeping your cooling system in top condition XJ Jeep Cherokee models from! Its heart needs efficient cooling to perform reliably fails to alert you of temperature... Too hot for too long still no luck, theyre extremely important to the PCM impact the! Are Maryland state inspected and come with a fever adjust the fuel injection and.. Cherokee Laredo 3.6L engine coolant temperature sensors for a number of functions MoparPartsGiant.com by Genuine Parts Deal, Search!, I 'm now thinking the problem on my car is the engine coolant temperature monitors! Video at the thermostat housing difficult or impossible to start unplug the ECT this. Tow up 2015 jeep grand cherokee coolant temperature sensor 6,200 pounds 2 coolant temperature for the engine coolant temperature.., $ 88 - the fan, but many cars use the engine in the thermostat housing, this has! Discussion about performance, engine swaps, modifications, classifieds, troubleshooting, maintenance, and fuses have been! Engine diagnostic testing while you are in store the service life of your engine and make it running with.
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