P0128 jeep - The engine control module uses the Engine Coolant Temperature (ECT) sensor to determine whether or not to trigger a OBD-II P0128. When a trouble code P0128 exists by itself, usually a shop technician will suspect a fault engine coolant temperature sensor or stuck open thermostat. A stuck open or prematurely opening coolant thermostat.

 
OBD2 Code P0128 Volvo definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 Volvo code is to indicate a faulty thermostat. Similar codes: P0125 Volvo In determining the engine did not reach a .... Craftsman garage door opener blinks 10 times

P0128 is a common diagnostic trouble code for BMW vehicles, indicating a low coolant temperature, which could be caused by a faulty thermostat or a coolant leak. To diagnose and fix this issue, follow these steps: 1. Check the coolant level and condition: Make sure the coolant level is topped up and inspect the coolant for any signs of ...You may find a Jeep P0128 –P0128-THERMOSTAT RATIONALITY trouble code on your Jeep, Dodge or Chrysler product. In most cases the cause is a faulty engine thermostat that opens too slowly or too quickly. To determine when to set the Jeep P0128 trouble code, the PCM tries to predict what engine coolant temperature should be based …Apr 6, 2022 ... OnlineMechanicTips Thank you for all your great vids Some extra tips here on replacing a 2.4L Mopar thermostat. Music: www.bensound.com ...A P0128 code in a Jeep is caused by an engine coolant temperature (ECT) sensor that is not reaching the predetermined temperature within a certain amount of time. You’ll also notice this in other vehicles besides Jeeps, such as the P0128 code in a Honda Civic. The ECT sensor monitors the engine’s operating temperature and sends a signal …21. Location. Louisiana. Jan 6, 2023. #1. I need a reliable and quick response to my concern. My check engine light is on and I checked for the code. It shows me the P0128 code related to the coolant system running low temperature. I read somewhere that the risk is low, but should get it checked out within a month.I had P0128 - "Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)" fault code for about 2 weeks and I reset with Torque app. SES light would not disappear immediate after resetting but disappeared after two days. Since then SES never came back.Fixing P0128 in the Ford Explorer is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...To diagnose the P0128 Cadillac code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video,...HI @Jonathan, The P0128 code is very common. Your Cherokee's computer knows how long it should take for the car to warm up. Using the sensors that measure the air temp (ambient) as well as the temperature of the coolant, if the computer finds a deviation from what it expects or the value is completely out of bounds from what it should be (rationality), it illuminates the CEL and saves a P0128 ...Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant to flow through the engine at all times. When this happens, the engine is “over-cooled” and never reaches the proper operating ...The last two characters "28" are DTC numbers. OBD2 Diagnostic Trouble Code P0128 indicates that coolant temperature is below thermostat regulating temperature. When the engine first starts up, the engine coolant temperature (ECT) sensor and an intake air temperature (IAT) sensor both have similar temperature readings.The engine control module uses the Engine Coolant Temperature (ECT) sensor to determine whether or not to trigger a OBD-II P0128. When a trouble code P0128 exists by itself, usually a shop technician will suspect a fault engine coolant temperature sensor or stuck open thermostat. A stuck open or prematurely opening coolant thermostat.2016 wrangler p0128. Got a 2016 wrangler with the 3.6l getting a code p0128. question the temp sensor cause it warms up fast and is normal on the gauge dash says 190 normal driving but got up to 220 today sitting and the fan never kicked on. Question is what is the normal operating temperature saw somewhere the fan won’t kick on till 240?Fixing P0128 in the Ford F250 is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant ...If you own a Jeep or are planning to buy one, it’s important to be aware of any potential recalls that may affect your vehicle. Recalls are issued by manufacturers when they discov...Nov 6, 2018 · Fixing P0128 in the Ford F250 is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant ... The description for code P0128 is “coolant thermostat (coolant temperature below thermostat regulating temperature).” This code is set when the PCM notices that the engine has not reached …The Honda Code P0128 is a diagnostic trouble code that indicates a problem with the engine coolant temperature sensor or thermostat. This code means that the engine is not reaching the proper operating temperature within a specified time frame. This issue can result in decreased fuel efficiency, poor engine performance, and increased emissions.To diagnose the P0128 Jeep code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.2006 Jeep Grand Cherokee WK 3.7L - SOLD (lil bro's) 2007 Jeep Grand Cherokee WK 4.7L -SOLD 2011 - Mazdaspeed3 - Cornfed /GTX3076/CP Pistons/Carrilo Rods/CPE FMIC/ JBR WP 3.5/FREEK'DTheory of Operation for P0128: The PCM predicts what the engine coolant temperature should be, based on the engine coolant temperature at start-up, ambient temperature and how the vehicle is subsequently driven. ... A forum community dedicated to Jeep Commander owners and enthusiasts. Come join the discussion about lift kits, …Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant to flow through the engine at all times. When this happens, the engine is “over-cooled” and never reaches the proper operating ...Before getting into in-depth knowledge about the P0128 Code, first of all, know what does a P0128 means and how it works in your car. Don’t worry we are here to explain how long can you drive with a P0128 code. P0128 is telling your fix sensor that your car’s coolant thermostat is operating below the regulating temperature.In this video, I'll explain what the P0128 Coolant Thermostat Error Code means when your check engine like goes on and you get this code. Another name is P01...If you own a Jeep or are planning to buy one, it’s important to be aware of any potential recalls that may affect your vehicle. Recalls are issued by manufacturers when they discov...p0128 code won't clear ... I need to get my inspection done but my CEL was on with p0128 code. I replaced the thermostat, drove a couple days and the CEL went off. ... So I actually purchased the jeep through a local toyota delaership and got the used car warranty. They are the ones that had replaced the thermostat twice now. Im assuming …P0128 code Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature. Jump to Latest Follow 3K views 5 replies 2 participants last post by Jason@ Enzo`s Atlanta Nov 23, 2022Quick, unedited cell phone video covering P0128 Data Trouble Code (DTC) on 2013 Jeep Wrangler JKUR w/3.6L V6 caused by a faulty thermostat tripping Check Eng...Fixing P0128 in the Ford Explorer is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...Fixing P0128 in the Hummer H3 is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant ...Happy birthday to your smartphone addiction. With 95% of Americans owning a cellphone, it can feel like we’ve been calling, texting, and tweeting on the go forever. But the infrast...May 29, 2018 · I need to get my inspection done but my CEL was on with p0128 code. I replaced the thermostat, drove a couple days and the CEL went off. Continued to drive for a few more days. I still cannot get inspected (NY) because the vehicle is showing a P0128 as a "stored" code (using Foxwell NT201 OBD reader), even though the CEL is off. To diagnose the P0128 2016 Chevrolet Silverado code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Fixing P0128 in the Jeep Compass is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ... 2. The next cause is a problem with the engine coolant temperature sensor or the wiring associated with the sensor. There are two main symptoms for the P0128 code: 1. Heater is not hot enough due to the coolant temperature in the engine being low 2. Car takes too long to warm up, or the temperature gauge does not go up as high as it used to. Meaning. In essence, the P0128 trouble code means that the engine coolant is not getting warm enough, quickly enough. What this boils down to is that there is a problem with the engine not reaching its operating temperature within a certain amount of time. The engine control module ( ECM) is what determines and governs the length of time that ...Vehicle Application: 2001 Accord 2.3Customer Concern: The check engine light is on with a code P0128 for cooling system performance problem.Average Reported ...When your check engine light illuminates due to a problem related to a P0128 code, the issue is most likely related to one of the following culprits: A stuck opened thermostat; A bad coolant temperature sensor; Malfunctioning wiring in the cooling system circuit A missing thermostat How do I know if it’s the P0128 code? Symptoms of the …Fixing P0128 in the Chevy Monte Carlo is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...Fixing P0128 in the Chrysler 300 is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...Find your TRQ parts here: http://1aau.to/m/ETCG0128Eric the Car Guy is here! He's visiting TRQ to explain check engine codes to you! In this video, Eric the ...Theory of Operation for P0128: The PCM predicts what the engine coolant temperature should be, based on the engine coolant temperature at start-up, ambient temperature and how the vehicle is subsequently driven. ... A forum community dedicated to Jeep Commander owners and enthusiasts. Come join the discussion about lift kits, …Nov 21, 2018 · The most common symptom of a P0128 trouble code in a Dodge Challenger is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Dodge Challenger is the lack of heat. When the thermostat doesn ... The Jeep is a daily driver, mostly short trips. This was a P0128 code. I had replaced the coolant temp sensor twice, and the thermostat 3 times. I also took it to the dealer who charged $95 to tell me he thought the fix was changing the thermostat housing for $400, which I declined to do. LOL. Watch as I replace the thermostat on my 2015 Jeep Wrangler Unlimited after getting the P0128 Error Code. The last two characters "28" are DTC numbers. OBD2 Diagnostic Trouble Code P0128 indicates that coolant temperature is below thermostat regulating temperature. When the engine first starts up, the engine coolant temperature (ECT) sensor and an intake air temperature (IAT) sensor both have similar temperature readings.The first and most common cause for the P0128 code is a faulty thermostat. The thermostat can get stuck in an open position, preventing the coolant from ever reaching the optimal operating temperature. However, you should check the coolant level first as it can also trigger the P0128 fault code. While you’re at it, make sure that your car is ...Jeep renegade check engine light for a P0128. Thermostat rationality. Coolant temp below thermostat regulating threshold.I take a peek at the thermostat and ...The last two characters "28" are DTC numbers. OBD2 Diagnostic Trouble Code P0128 indicates that coolant temperature is below thermostat regulating temperature. When the engine first starts up, the engine coolant temperature (ECT) sensor and an intake air temperature (IAT) sensor both have similar temperature readings.Whether you’re in the market for a mid-sized SUV or want to learn more about the Jeep brand, this simple guide will help you gain a basic understanding of the Jeep Grand Cherokee. ...OBD2 Code P0128 BMW definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 BMW code is to indicate a faulty thermostat. Similar codes: P0125 BMW In determining the engine did not reach a “normal ...Fixing P0128 in the GMC Acadia is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows …In this video we diagnose and repair our Jeep wish a cooling system concern. Purchase your coolant temperature sensor here!: https://amzn.to/3IWuMpJVisit our...Code P0128 2013 JK. Checked my coolant level in the radiator and had to add a little. Overflow bottle was normal level. After a drive I discovered a very small leak coming from under the radiator cap. I replaced the cap with the latest upgrade, 17 PSI cap which is down from the original 18 psi cap. After a couple of short trips of 12 miles CEL ...CKE CUSTOMER STATES THE CHECK ENGINE LIGHT IS ON. CHECK AND REPORT. 453 WEXP (N/C) PARTS: 0.00 LABOR: 0.00 OTHER: 0.00 TOTAL LINE A: 0.00. 9993 SDS TEST CODE PO 12800 R48 THERMOSTAT PERFORM TEST THERMOSTAT. HEATING ELEMENT OK PASS PERFORM AL20.10-P-063817 PROGRAM AIR. CONDITIONER AND ENGINE CONTROL UNIT. Like.There are seven Jeep models as of 2015, including the Compass, Cherokee, Grand Cherokee and Patriot. The other models are the Wrangler, Wrangler Unlimited and the Renegade. Each Je...Jeep Code P0128 means that your Engine Coolant Temperature is below the thermostat regulating temperature. Simply put, the coolant which helps regulate your engine’s temperature is colder than it should be. What happens as a consequence is that your engine will be running colder. The ECM, an electronic control unit placed in the …Cocktails made with raw eggs aren’t as popular as they once were. But we think these drinks are ready to make a comeback. Looking to get some protein and a buzz at the same time? T...34 posts · Joined 2012. #23 · Jan 13, 2017. Heads up that my 2012 JKU threw a P0128 and it was just because my coolant level had dropped below the min line. The colder weather was enough to trigger it. Once I added some coolant the code cleared and the CEL went away after about 3 drive cycles (about 3 days later).Cocktails made with raw eggs aren’t as popular as they once were. But we think these drinks are ready to make a comeback. Looking to get some protein and a buzz at the same time? T... The last two characters "28" are DTC numbers. OBD2 Diagnostic Trouble Code P0128 indicates that coolant temperature is below thermostat regulating temperature. When the engine first starts up, the engine coolant temperature (ECT) sensor and an intake air temperature (IAT) sensor both have similar temperature readings. Hello all. Having an issue on 2006 2.4L TJ. The P0128 code keeps coming up. I've done the following: Replaced thermostat with Stant 195. Replaced the Coolant Temperature Sensor (also Stant) Flushed and Burped the …Fixing P0128 in the Honda Pilot is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant ...The most common causes include: Thermostat That’s Stuck Open – The most common cause of code P0128 is a leaky or stuck engine coolant thermostat. Faulty Engine Coolant Temperature Sensor – Faulty wiring or a bad sensor can also lead to a P0128 code reading. Radiator Fan Malfunction – Your car’s radiator fan helps cool the engine and ...Cocktails made with raw eggs aren’t as popular as they once were. But we think these drinks are ready to make a comeback. Looking to get some protein and a buzz at the same time? T...Jun 13, 2009 · So, the final code that still remained is the P0128. I reset the codes and cleared the SES light after fixing the above 2 issues and have been driving for the past few days. After day 2, the P0128 came on as a pending code, but then went away the next day. P0128 – Coolant Temp Below Thermostat Regulating Temp Is the temp gauge reading a little lower than normal? If not could be a bad sensor. Otherwise my guess would be an 11 yr old thermostat that is not closing all the way.P0128 is a powertrain code that indicates the engine doesn't reach its normal operating temperature. Learn how to diagnose and fix this issue, which may …Learn what P0128 means for your Jeep and how to troubleshoot it. This code indicates a problem with the coolant temperature circuit, which can affect your engine performance and … What Does p0128 Jeep Grand Cherokee mean? The basic meaning of p0128 is the issue with the coolant thermostat temperature. When this code is triggered, the coolant thermostat temperature is below the regulating temperature. The primary cause for this DTC can be an open thermostat, damaged wearing, or a faulty coolant temperature sensor. Vehicle Application: 2001 Accord 2.3Customer Concern: The check engine light is on with a code P0128 for cooling system performance problem.Average Reported ...OBD2 Code P0128 Buick definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 Buick code is to indicate a faulty thermostat. Similar codes: P0125 Buick In determining the engine did not reach a ... OBD2 Code P0128 Volvo definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 Volvo code is to indicate a faulty thermostat. Similar codes: P0125 Volvo In determining the engine did not reach a ... HI @Jonathan, The P0128 code is very common. Your Cherokee's computer knows how long it should take for the car to warm up. Using the sensors that measure the air temp (ambient) as well as the temperature of the coolant, if the computer finds a deviation from what it expects or the value is completely out of bounds from what it … The last two characters "28" are DTC numbers. OBD2 Diagnostic Trouble Code P0128 indicates that coolant temperature is below thermostat regulating temperature. When the engine first starts up, the engine coolant temperature (ECT) sensor and an intake air temperature (IAT) sensor both have similar temperature readings. Feb 17, 2021 ... how to reset p0128 code how to fix p0128 ... P0128 Engine Coolant Temperature Below Thermostat Regulating Temperature Jeep Wrangler Grand Caravan.Low coolant levels, a stuck engine coolant thermostat, and issues with the coolant temperature sensor or its wiring can cause code P0128. Symptoms of the P0128 …The P0128 code in Jeep Wrangler indicates that the engine coolant temperature is below the thermostat regulating temperature. This subheading will explain what the code means and why it occurs. The P0128 code typically triggers when the coolant temperature doesn’t reach the expected operating temperature within a certain time frame.A code P0128 may mean that one or more of the following has happened: Low engine coolant level. Leaking or stuck open thermostat. Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor. Faulty intake air temperature (IAT) sensor. Past experience indicates that the most likely solution is to replace the thermostat.Feb 8, 2022 · P0128 Jeep Wrangler coolant sensor replace diy. Code P0128 could be either the thermostat or the coolant sensor .Today I replaced the coolant sensor on our 2... Watch as I replace the thermostat on my 2015 Jeep Wrangler Unlimited after getting the P0128 Error Code.Feb 23, 2019 · ** Click "Show More" to Learn more about this video **========================================Check out our NEW Website for 2023!!https://www.milehighcampers... Fixing P0128 in the Honda Ridgeline is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...FORD CODE P0126 P0128 FIX COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATUREIf you have Ford car and you have engine light on and Code P0126 Insuff...Code P0128 2013 JK. Checked my coolant level in the radiator and had to add a little. Overflow bottle was normal level. After a drive I discovered a very small leak coming from under the radiator cap. I replaced the cap with the latest upgrade, 17 PSI cap which is down from the original 18 psi cap. After a couple of short trips of 12 miles CEL ...May 2, 2023 ... Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information.Fixing P0128 in the Chrysler 200 is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ...P0128 is calculated by time to reach a certain ect temperature from a given start up temp-..... 30 years as a tech (ok- 24 since p0128 existed) and (85%) of the time it is a bad thermostat, 10% coolant leak (low coolant), 2-3% electrical and the rest "other" (bad pump etc). BTW-you cant erase codes by disconnecting battery- that is pre 1995 ...Share. mrpittman. • 2 yr. ago. So this code means one of two things, either the thermostat is bad but you changed it so now the sensor needs to be replaced. That will fix it, temp sensor drivers side of the block towards the back its going to make a mess because its at the lowest point but get your tools and clear an area and you'll be fine ...P0128 Code - How To Replace Jeep Wrangler Coolant Sensor, Thermostat & Bleeding Coolant System - YouTube. Just Empty Every Pocket. 2.52K subscribers. Subscribed. 448. 33K views 1 year ago...

CODE P0128 JEEP COMPASS RENEGADE FIX. THERMOSTAT RATIONALITYIf you Jeep Compass or Renegade and you have engine light on and code P0128 we will show what usu.... Red lobster anderson indiana

p0128 jeep

P0128 code. 2016 Overland. Got one of these this morning on the way to work. Jeep had been running for 25 minutes at that point and was up to temp. Basically, I'd like to deal with this myself--I've got the super MaxCare warranty, but I JUST got this thing back from the last issue, and they had it for four months.Nobody likes a warm, wilted salad. If you want your homemade salads to be as crisp and refreshing as the ones you get at a restaurant, try this trick. Nobody likes a warm, wilted s...2015 Jeep Cherokee 2.4l MultiAir P0128 Thermostat?Customer dropped off a 2015 Jeep Cherokee 2.4l with a P0128 Thermostat rationality code. Today we will go t...Just bought a 2015 jeep grand Cherokee last week with 99k miles. It is the 3.6L v6. No check engine light when I drove off the lot. ... Got it checked and coded for P0128. Looked it up and sounds like a $50 fix up to a few grand. Started watching the temp gauge and stays below "healthy" range of 160-200°. It is staying right around 120 ...Nov 6, 2020 ... P0128 #JEEP #WRANGLER A quick thermostat replacement how to for the Jeep Chrysler Dodge Ram 3.6L P0128 code check engine light.Share. mrpittman. • 2 yr. ago. So this code means one of two things, either the thermostat is bad but you changed it so now the sensor needs to be replaced. That will fix it, temp sensor drivers side of the block towards the back its going to make a mess because its at the lowest point but get your tools and clear an area and you'll be fine ...Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant to flow through the engine at all times. When this happens, the engine is “over-cooled” and never reaches the proper operating temperature. How to Replace a Thermostat (video).Nov 10, 2018 · Fixing P0128 in the Nissan Altima is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it allows ... Whether you’re in the market for a mid-sized SUV or want to learn more about the Jeep brand, this simple guide will help you gain a basic understanding of the Jeep Grand Cherokee. ...Key Takeaways: The P0128 code indicates a problem with the coolant thermostat.; Understanding the meaning, diagnosis, and repair options for this code is crucial for quick and efficient resolution. The common causes of the P0128 code include a faulty thermostat, low coolant levels, and a malfunctioning coolant temperature sensor.; Diagnosing the …107 posts · Joined 2013. #1 · Mar 23, 2015. I recently got a code "P0128 thermostat rationality" on my 2015 Jeep SRT. I first had a Jet 180 thermo and recently switched to a Mishimoto 180. Anybody else ever get this code? Is there a way to clear and see if it comes back without going to dealer? Like.Have a p0128 on 2017 jkur. Temp on dash and jscan showing 185F driving to lunch just now, 12 miles at 55-60 mph in 55F ambient so plenty of time to warm up and get stable. I am thinking thermostat held open. ... 2008 wk gc overland, jeep green, 2006 kj liberty limited diesel, atlantic blue, 2003 kj liberty renegade, bright silver all working ....

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