Jeep engine code p0128 - Its a 10mm and about 2 minutes of time to unhook a battery cable, thermo was stuck wide open as they are designed to fail that way and not closed. Heater will cook a steak with a new one installed. Reset it and forget about it, ive done a few of these over the years, always a p0128 especially if you let it idle before you drive it.

 
P0128 ECT Sensor Below Thermostat Regulating Temperature. P0420 Catalyst System Bank 1 Low Efficiency. P0455 EVAP System Large Leak (0.080") Detected. For the 'P0128' your engine isn't getting up to operating temerature. This could be because of a low coolant level or your thermostat is stuck open.. Mattress brand crossword

Nov 5, 2018 · The P0128 OBD-II trouble code is a generic powertrain diagnostic code (it has the same meaning for the Jeep Renegade as any other vehicle). Coolant Temperature The coolant temp sensor is responsible for telling the Engine Control Module (ECM) the engine’s coolant temperature. To reset the p0128 code on a jeep wrangler, disconnect the battery for a few minutes and then reconnect it. When the code reappears, it indicates a persistent issue that needs to be fixed. The p0128 code is related to the engine coolant temperature being below the expected range. This could be caused by a faulty thermostat, a coolant leak, or a ... check engine light came on so i checked the codes via the key dance trick and got p0128 coolant thermostat code. going to stop at autozone and pick up a new one ... the check engine light finally went off. 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.Jan 23, 2024 · Yes, a common cause for the P0128 code on Jeeps is a malfunctioning thermostat. Other possible causes include a faulty engine coolant temperature sensor or a low coolant level. In conclusion, understanding and addressing the Jeep code P0128 is crucial for any Jeep owner or enthusiast. A coolant temp sensor is code 0118, after parts installation, I cleared the codes. Now check engine light came on within a few days of driving, P0128, T-stat stuck open, PO said he replaced with a new one, I went ahead and put in a non-valve SuperStant 195deg. Cleared codes.Follow up to the original question. My CEL has been on for a few days. Finally scanned last night and got the same code P0128. Coolant was pretty low, but not below the add line. I went ahead and topped off the coolant. Was hoping that's the simple fix before replacing the thermostat. The jeep is running fine, all the temperatures seem normal.14 May 2016 ... Parts I used: Jeep Grand Cherokee Thermostat https://amzn.to/2tHPqXi Check Engine Light P0128 Jeep Grand Cherokee Thermostat Replace.24 posts · Joined 2014. #1 · Jan 5, 2022. Hey everyone, I got a check engine light with the code of P0128 on my 2014 wrangler and going to replace the thermostat housing. I bought the mopar housing P/N: 5184651AH and a gallon of premixed coolant P/N: 68163849AB for $65 on amazon. I called the local dealership and a was quoted …After 500 Miles. You should only travel with the DTC code p0128 for 500 miles. During the distance, the car will not have much damage and risks. However, some people would travel more than 500 miles, which may cause car problems. It is not safe to go more than 1000 miles.After 500 Miles. You should only travel with the DTC code p0128 for 500 miles. During the distance, the car will not have much damage and risks. However, some people would travel more than 500 …The P0128 code is a generic powertrain code that indicates an issue with the engine coolant temperature (ECT) sensor or thermostat. When this code appears in a Nissan Altima, it means that the engine is not reaching its normal operating temperature within a specified time frame. The P0128 code signifies a potential problem with the …Aluminum flywheel Aluminum drive shaft ECU flash tuner Cold air intake Large bore throttle body The 5.7 HEMI engine is available in the Dodge, Chrysler and Jeep vehicles, making it...check engine light came on so i checked the codes via the key dance trick and got p0128 coolant thermostat code. going to stop at autozone and pick up a new one ... the check engine light finally went off. The Jeep is a daily driver, mostly short trips. This was a P0128 code. I had replaced the coolant temp sensor twice, and the ...** Click "Show More" to Learn more about this video **=====Check out our NEW Website for 2023!!https://www.milehighcampers...P0128-THERMOSTAT RATIONALITY. Theory of Operation. 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. The predicted engine coolant temperature is compared to the Engine Coolant …The most common symptom of a P0128 trouble code in a Jeep Commander 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 Jeep Commander is the lack of heat. When the …The world of marketing has become a world of marketing tech. But marketers are not necessarily engineers, so working with the terabytes of data their campaigns produce can be a cha...The P0128 code can be set while the PCM is monitoring engine warm-up. The PCM draws from a few key pieces of data during this time to maximize engine efficiency, including the Engine Coolant ...Jan 24, 2024 · The Jeep JK code P0128 is a Diagnostic Trouble Code (DTC) that indicates a problem with the Engine Coolant Temperature (ECT) sensor or thermostat. This code suggests that the engine is not reaching the proper operating temperature within a specified time frame. 2. Possible causes of the P0128 code in a Jeep JK. check engine light came on so i checked the codes via the key dance trick and got p0128 coolant thermostat code. going to stop at autozone and pick up a new one ... the check engine light finally went off. The Jeep is a daily driver, mostly short trips. This was a P0128 code. I had replaced the coolant temp sensor twice, and the ...The P0128 engine code can result from numerous issues including a malfunctioning thermostat, a faulty coolant temperature sensor, a coolant fan stuck in the …Jeep wrangler jk check engine light codes. P0128 jk thermostatP1281 jeep grand cherokee Cherokee grand jeep limited front v8 4x4 4x2 diesel car hemi laredo headlights drive review edmunds auto carpower360 cars tirekickerJeep engine cherokee grand wrangler 0l 2004 2000 liter 1999 2001 2003 used xj 2002 inline parts motor 2005 …So, what does the code P0128 mean? You’ll likely see your malfunction indicator lamp illuminate. You may also experience a longer amount of time for your engine to warm up, or the temperature dropping while you’re …Sirius satellite radio is available in many new cars, including Jaguar, Mazda, Ford, Jeep, Chrysler, Dodge, Mercedes-Benz, BMW, Volvo, Volkswagen and Audi vehicles. If your new car...1) Warm engine up for five minutes (must reach closed loop) 2) Drive (with steady throttle) at a speed between 40 and 60 mph for 8 minutes. 3) Stop and idle for 3 minutes. 4) Drive (with steady throttle) at a speed above 20 mph for 2 minutes. 5) Turn key off, leave off for ten minutes (to run O2 sensor heater monitor).P0128 Jeep Wrangler thermostat and housing replace diy. Code P0128 could be either the thermostat or the coolant sensor .Today I replaced the thermostat on o...P0128 and dealer repair. My 2012 JGC with the 3.6L engine just lit up a CEL with a code P0128. Based upon the postings here, it seems pretty common that the thermostat needs to be replaced. I purchased the thermostat at the dealer today and was pretty shocked by the $75 (out the door) price.The P0128 code in a Jeep Wrangler is related to the engine’s cooling system. It indicates that the engine is not reaching its proper operating temperature …CODE P0128 P0126 DODGE DART, CHRYSLER 200, JEEP CHEROKEE COMPASS RENEGADE, RAM PROMASTER CITY, FIAT 500X, FIAT TOROIf you have engine light on and code …The trouble code is generated by the engine coo... My 2016 Jeep Wrangler JKU has been throwing up the CEL with a P0128 Code off and on during the winter months. The trouble code is generated by ...This is what I found on that code, not sure if it will help. "Some customers may complain of a MIL illumination. During diagnosis, DTC P0128 may be stored, indicating that “thermostat rationality has been set.”. This condition may be caused by the block retaining feature for the thermostat not holding the thermostat in place.How to Check Engine Coolant 2006-18 Jeep Wrangler | 1A Auto. Jeep wrangler p0128: coolant thermostat – below temp Jeep thermostat dodge p0128 4l dtc chrysler replace How to check engine coolant 2006-18 jeep wrangler. 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code. Coolant wrangler antifreezeP0128: low …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?Jan 31, 2021 · Code P0128 came up and he told me he would need to replace the thermostat and housing since there were cracks and coolant was seeping. I tried reading up on the issue and watched some YouTube videos on how to replace so I am debating whether I should try to do the job myself or leave it to the mechanic. P0128 2017 jkur. 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. Seems like my 2013 jkur runs around 198F but haven’t double checked yet.What does engine code P0128 mean in a Jeep? Engine code P0128 in a Jeep typically indicates a problem with the engine’s coolant temperature below the thermostat regulating temperature. This could be caused by a faulty thermostat, low coolant levels, or a malfunctioning coolant temperature sensor.Nov 10, 2021 · Your engine would not get up to full operating temp, and clearly the code P0128 is likely as well as others. Now, the description of P0128 is the engine takes too long to warm-up. Its an emissions requirement, because the engine makes more emissions while its cold, so the Federal Gov mandates it has to warm-up within a certain amount of time. Nov 5, 2018 · The P0128 OBD-II trouble code is a generic powertrain diagnostic code (it has the same meaning for the Jeep Cherokee as any other vehicle). Coolant Temperature The coolant temp sensor is responsible for telling the Engine Control Module (ECM) the engine’s coolant temperature. Jeep wrangler jk check engine light codesJeep wrangler engine code p0153 Introducir 81+ imagen engine code p0128 jeep wrangler【印刷可能】 p0340 jeep cherokee 255886-jeep cherokee code p0340. Thermostat Change Jeep Wrangler JK | P0128 Check Engine Code | How To. Check Details. Jeep wrangler unlimited 2007 car …Monday morning, 9/12/22, on my way to work my check engine light came on. Panic mode. Got it diagnosed…..code p0128. Researched it as best I could. Low priority fix, thermostat most likely stuck open. Have driven it everyday to work since Mon day, appx 45 miles per day. Had to make a before work stop at Walmart this morning.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.After 500 Miles. You should only travel with the DTC code p0128 for 500 miles. During the distance, the car will not have much damage and risks. However, some people would travel more than 500 miles, which may cause car problems. It is not safe to go more than 1000 miles.To reset the p0128 code on a jeep wrangler, disconnect the battery for a few minutes and then reconnect it. When the code reappears, it indicates a persistent issue that needs to be fixed. The p0128 code is related to the engine coolant temperature being below the expected range. This could be caused by a faulty thermostat, a coolant leak, or a ...Dec 20, 2014 · c.d.c. This code sets when the ECM sees that the engine takes to long to warm up. This usually happens because the thermostat is either stuck open or opening sooner than it should. It is a pretty global cause and correction for P0128 across many makes and models of vehicles. Replacing the T-stat should take care of this and you should not have ... How to change the thermostat on the 2015-2022 Jeep Grand Cherokee 3.6L v6. Check engine code P0128. IG: Ljs_Garage_Follow up to the original question. My CEL has been on for a few days. Finally scanned last night and got the same code P0128. Coolant was pretty low, but not below the add line. I went ahead and topped off the coolant. Was hoping that's the simple fix before replacing the thermostat. The jeep is running fine, all the temperatures seem normal.We got this 2015 jeep wrangler here with check engine light code p0128 Thermostat below temp. I will show you step by step how to change the thermostat and f...Code P1281 Meaning. P1281 is a Diagnostic Trouble Code (DTC) that could mean an issue with your coolant level/mixture or an out-of-spec air-fuel ratio. Your engine coolant fails to reach normal operating temperatures while driving. For some vehicles, the DTC traces back to a problem with drivetrain sensors, fuel system components, or …34 posts · Joined 2021. #1 · Nov 18, 2021. Turned the heater on this morning and my check engine came on. It showed the lovely P0128 code (thermostat open or temp sensor) since it is used I figured it best to replace both. I bought the parts and I am ready to go. I did want to ask: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.We see them all the time, but do you ever think about everything these machines do? A fire engine is a combination personnel carrier, tool box and water tanker. Learn all about thi...A coolant temp sensor is code 0118, after parts installation, I cleared the codes. Now check engine light came on within a few days of driving, P0128, T-stat stuck open, PO said he replaced with a new one, I went ahead and put in a non-valve SuperStant 195deg. Cleared codes.The most common symptom of a P0128 trouble code in a Jeep Patriot 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 Jeep Patriot is the lack of heat. When the thermostat …What the P0128 code means. The P0128 code means that the engine coolant is not getting warm enough, fast enough. In other words, there is a problem with the engine operating temperature not being reached within a certain amount of time. The Engine Control Module (ECM) determines this length of time based on ambient …86 posts · Joined 2015. #16 · Oct 15, 2015. Well here is a newb question. I just got the code after I started the Jeep and took off without being warm up. So the engine light pop immediately. Anyway the code is P0128 for Thermostat. So 2 questions: 1.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 …1 Mar 2014 ... A P0128 is a code is an indication of a faulty thermostat or ECT (engine coolant temp sensor). The manufacture designs the engine to run at ...The most common cause for the P0128 code on a Jeep Wrangler is a faulty thermostat. A faulty thermostat can be what is described as a "stuck open thermostat." Other issues can be low coolant, a bad radiator fan or water pump, an inaccurate engine coolant temperature sensor (ECT sensor), or a bad engine control module. Check Out The Latest Price!447 posts · Joined 2016. #2 · Jan 23, 2017. That code is usually displayed when the engine takes too long to reach operating temperature (thermostat stuck open). So, under certain conditions after you clear the code, depending on outside air temp, driving conditions, it may warm up within the parameters the computer is looking for, despite ...Jeep wrangler jk check engine light codes. P0128 jk thermostatP1281 jeep grand cherokee Cherokee grand jeep limited front v8 4x4 4x2 diesel car hemi laredo headlights drive review edmunds auto carpower360 cars tirekickerJeep engine cherokee grand wrangler 0l 2004 2000 liter 1999 2001 2003 used xj 2002 inline parts motor 2005 …Jan 20, 2022 · The generic P0128 code stands for “Engine Coolant Temperature Below Thermostat Regulating Temperature”. This basically means that the coolant in the engine isn’t reaching the ideal operating temperature and that the engine is essentially running cold. While it’s not as bad as having the engine run too hot (for obvious reasons), a cold ... Yes, a common cause for the P0128 code on Jeeps is a malfunctioning thermostat. Other possible causes include a faulty engine coolant temperature sensor or a low coolant level. In conclusion, understanding and addressing the Jeep code P0128 is crucial for any Jeep owner or enthusiast.Low or weaker coolant levels can trigger the P0128 code in your Jeep Grand Cherokee because it can alter the engine running temperature, causing it to deviate from its ideal operating temperature. This can be detected by the engine coolant temperature sensor, which sends signals to the engine computer (PCM) about the engine’s …Mar 4, 2022 · 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? The P0128 code in a 2015 Jeep Grand Cherokee refers to a potentially serious issue with the vehicle’s engine coolant temperature (ECT) sensor or thermostat. When this code is triggered, it indicates that the engine is not reaching its optimum operating temperature within a specified time period.P0401: Faulty EGR (Exhaust Gas Recirculation) valve. P0455, P0446, P0442, P0440, or P0411: Problem with the evaporative system. P0305 or P0300: Engine misfires. P0175 or P0171: Faulty oxygen sensor. While these are the most common codes that the 7E8 engine code menu shows, they aren’t the only ones that the menu can have.The Jeep Renegade (BU) is a subcompact crossover SUV from the Jeep division of Fiat Chrysler Automobiles. ... It's been a good vehicle except for a continued issue related to P0128 fault code. The code first showed up about a year and a half ago. ... While the check engine light was on, during this time quite often the temperature ...23 Feb 2022 ... Jeep has the dreaded P0128 code..most likely its the Thermostat..time to change it out..and depending on the age and mileage on the Jeep, ... To reset the p0128 code on a jeep wrangler, disconnect the battery for a few minutes and then reconnect it. When the code reappears, it indicates a persistent issue that needs to be fixed. The p0128 code is related to the engine coolant temperature being below the expected range. This could be caused by a faulty thermostat, a coolant leak, or a ... Causes: Low coolant level Coolant temperature sensor. Common causes include: - Faulty or sticky thermostat. - Thermostat seal is not sealing properly, allowing coolant to bypass a closed thermostat. - Faulty engine coolant temperature (ECT) sensor. - Engine computer (PCM) software needs to be updated. - Low coolant level.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.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.Low or weaker coolant levels can trigger the P0128 code in your Jeep Grand Cherokee because it can alter the engine running temperature, causing it to deviate from its ideal operating temperature. This can be detected by the engine coolant temperature sensor, which sends signals to the engine computer (PCM) about the engine’s temperature.Jan 24, 2017 · I dropped off my Renegade for this issue and my first oil change (mileage 4601). I picked up this morning at 10 am, paperwork states malfunction indicator lamp is on, found fault code P0128 logged indicating an issue detected in the thermostat system. Performed software upgrade on the PCM per TSB# 18-061-16. About two weeks ago while driving my jeep threw three codes. P0128 (coolant temp low), P0306 (misfire on cylinder 6) and random misfire. ... Well on Monday morning about a mile from my house the check engine light came on. The only code thrown is the P0128. However, once it reaches normal operating temperature, it will feel like its …P0128 Thermostat Rationality - With the engine running, start up coolant temperature less than 65°C (149°F), ambient temperature between -8°C (17.6°F) and 50°C (122°F), avarage vehicle speed greater than 16 km/h (10 mph) until coolant temperature reaches 85°C, engine speed does not go above 5400 rpm for more than 32 seconds, …JEEP CHEROKEE CODE P0128 ENGINE LIGHT ON 2014 2015 2016 2017 2018 2019 2020If you have Jeep Cherokee and you have Code P0128 and your engine light is on we w...Mar 26, 2020 · 4 posts · Joined 2019. #1 · Mar 26, 2020 (Edited) I recently had an engine light come on in my 2013 Wrangler Sport, 2dr. 6 cyl. Code was P0128. I found the code issue. My coolant reservoir was low. No leaks found. I added fluid and cleared the code (disconnected the battery for an hour). No re emergence of the engine light yet, but I haven ... 16 Nov 2021 ... So, I got that P0128 code that indicates a bad thermostat. Deleted the code, went on a drive again. Code is off, stays off.P0128-THERMOSTAT RATIONALITY. For a complete wiring diagram, refer to the Wiring Information. When Monitored and Set Conditions. This diagnostic runs when the following conditions are met: With the engine running. Start up coolant temperature less than 65°C (149°F).After 500 Miles. You should only travel with the DTC code p0128 for 500 miles. During the distance, the car will not have much damage and risks. However, some people would travel more than 500 miles, which may cause car problems. It is not safe to go more than 1000 miles.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0128 Saving Repair Part...237 posts · Joined 2015. #1 · Mar 7, 2017. Check engine light came on last Wednesday. Code was P0128. Checked YouTube and the internet and everything said replace the thermostat as it probable stuck open. Cleared the code. Ordered the part and Mopar replacement coolant. Engine light has not come back on and I've driven it a lot, …I bought a new to me 2014 JGC Limited V6 gas. So I had a CEL pop up like 3 months after I got it. Same deal P0128. So I Took it to my previous employer for him to look it over. On my way there I get a display message “service 4 wheel drive system” so I had him check that too. And here we are 5 months later he’s had the Jeep since the ...The most common causes of Ford Code P0128 include: A malfunctioning ECT sensor. A stuck-open thermostat. A faulty engine coolant temperature sensor connector. A low coolant level or coolant leak. An issue with the engine’s cooling system. Identifying the root cause of the code is essential for an accurate diagnosis and efficient …We see them all the time, but do you ever think about everything these machines do? A fire engine is a combination personnel carrier, tool box and water tanker. Learn all about thi...26 Dec 2022 ... check engine light on code p0128 thermostat replacement.The P0128 code can be set while the PCM is monitoring engine warm-up. The PCM draws from a few key pieces of data during this time to maximize engine efficiency, including the Engine Coolant ...

P0128 went away before it could be fixed. I have a 2013 JKU with 125K mi. About a week ago my check engine light came on and threw code P0128. The code reader said the thermostat needed replaced so I made an appt with my mechanic (I don't have a garage or shop to work in right now) to replace it. The appt. was for later this week, but yesterday .... Myhfny org balance

jeep engine code p0128

Engine-Codes - Jeep - P1128 Jeep P1128 Jeep Code - Closed Loop Fueling Not Achieved Bank 1 - Code Popularity: 55,938 Views ... P1128 Jeep Code - Closed Loop Fueling ...P0128 Thermostat gasket/Housing replacement tutorial on a 2013 Jeep Wrangler 3.6 Don't forget to like and sub! ... P0128 Thermostat gasket/Housing replacement tutorial on a 2013 Jeep …The P0128 Jeep code is an engine-related fault code that signifies an inadequate coolant mixture/level or a malfunctioning thermostat. Symptoms include: An activated CEL. Starting and performance issues. Reduced HVAC efficiency and fuel mileage. White exhaust smoke. Subpar battery performance.P0128 is most often caused by a thermostat that is stuck open. P0128 Quick Info. P0128 Definition: Coolant Temp – Below Thermostat Regulating Temp. The P0128 …What Is The Jeep Code P0128? 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.P0128 Code: Causes of Low Coolant Regulating Temperature in your Jeep Wrangler The OBD-II trouble code P0128 has much to do with the engine’s operating temperature. When the ECM detects anomalies in the engine coolant temperatures, that is where the problem lies.How to change the thermostat on the 2015-2022 Jeep Grand Cherokee 3.6L v6. Check engine code P0128. IG: Ljs_Garage_P0128 code. I know the fix for the code is 99% of the is a new tstat but I just wanted to ask why the code is causing no effect on the system. The vehicle heats up to normal temp, heat blows and runs fine. The code is tripped because "engine has not reached the required temperature level within a specified amount of time".Issue: After getting an engine light - code P0128 the dealer replaced the engine thermostat. Since this replacement the radiator fan runs at full speed as soon as the engine reaches normal engine operating temperature. The dealer has been unable to explain why this is happening. The fan noice is very loud from outside the jeep and you …codes P013A and P0128 2007 Jeep Commander 5.7 Hemi My Jeep is throwing those codes, but only in cold weather. After the fist time the Check Engine light came on I had the coolant checked when I had an oil change. It was slightly low and the technician replaced the radiator cap and reset the codes. A few days later the check engine light came on ...The P0128 fault code is the diagnostic trouble code (DTC) used by Dodge, Jeep, Ram, and numerous other manufacturers to signify that the coolant temperature in the engine is too cold for the thermostat to regulate.The P0128 engine code can result from numerous issues including a malfunctioning thermostat, a faulty coolant temperature …The 2014 Jeep Wrangler features a maximum towing capacity of 2,000 pounds. The Wrangler’s V6 engine provides 285 horsepower and is easily able to handle trailers, cargo and even sm...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. Check Engine Light P0128 error code - 2013 Jeep Grand Cherokee (WK2) - thermostat replacementStep by step how to. My Jeep Grand Cherokee's check engine light... .

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