Jeep engine code p0128.

How to Diagnose P0128 Thermostat Issues on a Jeep? When your Jeep has a P0128 code, use these steps to diagnose the root cause: Use an OBD2 Scanner Tool. Plug in a diagnostic scan tool to pull the P0128 code and any other related trouble codes from the engine control module (ECM). This will confirm the issue is a faulty thermostat regulation one.2 Jan 2024 ... Error code P0128 indicates that your engine coolant temperature is below the thermostat regulating temperature. This means that your Engine ...trailhunter. 1858 posts · Joined 2013. #2 · Aug 22, 2018. From the internet. There are two main*causes*for*P0128: The most common*cause*is an engine coolant thermostat that has stuck open or is opening prematurely. The next*cause*is a problem with the engine coolant temperature sensor or the wiring associated with the sensor.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.If your car is showing the P0128 engine code, there is likely an issue with a leaking cooling system or thermostat. A malfunctioning coolant thermostat is the most common cause of this engine code. The coolant thermostat is responsible for blocking the coolant from entering the radiator until the engine reaches the correct temperature.

Aug 8, 2023 · 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.

Don't procrastinate on fixing misfires as they can quickly damage catalytics. as for your p0128, it was likely a history code (unless your check engine was on solid. p0128 will only reset after quite a few cycles (believe 40 from history). No worries as if it did set once, your thermostat was likely losing some performance.

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 …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.The P0128 engine code can result from numerous issues including a malfunctioning thermostat, a faulty coolant temperature sensor, a coolant fan stuck in the …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.Jeep code P0128 indicates that the engine coolant temperature is lower than the thermostat regulating temperature. It indicates that the engine is running colder than it should. Use the Way App to find the best gas discounts , EV charging near you , auto insurance , auto refinance , and more!

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.

5 Apr 2021 ... Check Engine Light P0128 error code - 2013 Jeep Grand Cherokee (WK2) - thermostat replacement Step by step how to. My Jeep Grand Cherokee's ...

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 …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 Temperature Sensor reading.2 Jan 2024 ... Error code P0128 indicates that your engine coolant temperature is below the thermostat regulating temperature. This means that your Engine ...14 Dec 2019 ... What is P0128 Jeep JK Diagnostic Code? This is a DIY video for Jeep JK Thermostat Replacement... Parts: 1) Mopar Thermostat w/housing ...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. 14 May 2016 ... Parts I used: Jeep Grand Cherokee Thermostat https://amzn.to/2tHPqXi Check Engine Light P0128 Jeep Grand Cherokee Thermostat Replace.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 …

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.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, enough to ...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, ...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 ...Watch as I replace the thermostat on my 2015 Jeep Wrangler Unlimited after getting the P0128 Error Code.If you’re planning a trip to explore the breathtaking beauty of the great outdoors, there’s no better way to do it than with Pink Jeep Tours. One of the easiest and most effective ...

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.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 ...

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".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...The P0128 OBD-II trouble code is a generic powertrain diagnostic code (it has the same meaning for the Jeep Patriot as any other vehicle). Coolant Temperature The coolant temp sensor is responsible for telling the Engine Control Module (ECM) the engine’s coolant temperature.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.If you’re planning a trip to explore the breathtaking beauty of the great outdoors, there’s no better way to do it than with Pink Jeep Tours. One of the easiest and most effective ...548 posts · Joined 2014. #1 · Feb 17, 2020. Hi all. I got DTC code P0128 this morning - probably stuck thermostat. 2015 JKU with almost 80K... so probably it's time. Jeep is covered with lifetime powertrain warranty.Jan 24, 2024 · The P0128 code on a 2015 Jeep Wrangler typically indicates a problem with the engine coolant temperature. To fix this issue, it is recommended to first check the coolant level and ensure it is at the proper level. If the coolant level is low, topping it off may resolve the issue. However, if the coolant level is fine, the thermostat may need to ... 2016, 3.6 Check Engine light P0128 coolant temp code. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ models! ...i was just driving about 10 minutes ago and my engine light came on, and the code was P0128-THERMOSTAT RATIONALITY, my mods are intake, 3 in. SEE no cat, and motor mounts, im just stumped what this code means, any help would be great! ... This code means that the engine did not warm up to 180 in 10 minutes after startup. This is a ...2016, 3.6 Check Engine light P0128 coolant temp code Jump to Latest Follow 7K views 15 replies 7 participants last post by KiwiScott Mar 31, 2022

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 ...

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.

In this video, we replace the thermostat in a 2015 Jeep Grand Cherokee because of a code P0128. Pretty easy job as long as you don't break anything like I di...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.The code P0128 - Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for sufficient time, or in other words, it takes …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...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 ...The engine code P0128 in a Jeep Wrangler refers to a faulty thermostat or coolant temperature sensor. It indicates that the engine is not reaching its operating …21 Nov 2021 ... Comments46 ; Please DO NOT Buy a Dodge (Unless It Has This Engine). Scotty Kilmer · 671K views ; DIY Fix – Fault Code P0128 (Coolant Temperature ...The P0128 engine code can result from numerous issues including a malfunctioning thermostat, a faulty coolant temperature sensor, a coolant fan stuck in the …

Jan 27, 2024 · The P0128 code is set when the engine control module (ECM) determines that coolant temperature is lower than the original equipment thermostat’s opening temperature. In this mode, when everything is warmed up, the ECM begins to use the oxygen sensor(s) for fuel control. 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.19 Apr 2019 ... Comments18 ; P0128 Chrysler 3.2/3.6 Pentastar engine thermostat code, Top 3 causes. MotorCity Mechanic ; DTC P0128 How to replace the thermostat ...5 Apr 2021 ... Check Engine Light P0128 error code - 2013 Jeep Grand Cherokee (WK2) - thermostat replacement Step by step how to. My Jeep Grand Cherokee's ...Instagram:https://instagram. powerade wrestling tournament resultsjeff pegues healthtruist refinance auto loangas prices in chicopee ma 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 ... airborne extreme harveykltv first alert weather 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.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 ... henderson county jail inmates texas 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. 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.