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,...I plugged the light back in and the light went off. So, if you do have a fog light bulb out replace it and the light will probably go off. And screw the dealer for charging you $130 to clear the computer. Just disconnect the battery for about 10 minutes and it will clear the computer. 2013 Freedom Edition JKU.Yes, park on an incline and burp it, but notice that on the thermostat there is a round plastic screw. That is there to help bleed the system. You can get air trapped behind the t-stat and cracking the screw will help the air to get out. Will take much less burping letting the air out there. Wolfslash16 and geeve420.Jeep Wrangler Forums. JK Wrangler Technical Forum CEL0128, Thermostat Rationality. Jump to Latest ... 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 ...Replacing the thermostat and housing. Part number:0518 4651 AHP0128 trouble code When you click on links to various merchants on this site and make a purchas...Jeep wrangler p0128: coolant thermostat - below temp Dtc p0128 how to replace the thermostat on a 2.4l jeep dodge chrysler 31 Oct 2023 Jeep thermostat p0128 dodge dtc chrysler 4l replace P0128 code 2013 jeep wrangler 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 codeIt will come up with P0128 thermostat rational... If the check engine light is on in your jeep, dodge, chrysler, ram, I'll bet it's for this super common issue. It will come up with P0128 ...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 the engine coo...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.2014 Jeep Wrangler sport unlimited 4x4changing those things should get rid of a check engine code p0128 code "coolant temp below thermostat"Changing out bad ...When they're little, you fill their bellies, their bottles and their cups, their plates with the food pyramid. their dressers and their closets their brains. their bank accoun...Jan 7, 2023 · 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.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?If you’re in the market for a used Jeep Wrangler, you’re in luck. These iconic off-road vehicles are known for their durability, versatility, and rugged style. Whether you’re an ou...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 temperature.After a month of running some great SW Colorado 4wd roads and lots of highway drives the jeep threw another P0128. I should have let it run a couple of minutes before taking off. I don' believe the thermostat stuck. ... Produced from 1997-2006, many consider the Jeep Wrangler TJ to be the last true Wrangler. I started Jeep Wrangler TJ Forum ...2015 jeep wrangler p0128. Changing the thermostat in a 2015 jeep grand cherokee (p0128)Intermittent p0344 and p0340 code, along with esp light that causes jeep to go into limp mode Jeep cherokee grand 2008 p0325 codeCode p0748. a mechanic did a diagnostic and that's the code he gave me. 2008 jeep grand cherokee.P0305 is a fairly common trouble code with the Jeep Wrangler.It's and OBD2 code and stands for:. P0305: Misfire Detected → Cylinder 5. P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Wrangler. The nice thing about P0305 is that it's a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which means that ...Jan 5, 2022 · 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 $107 for the ...Also, it appears you might have an Axle seal seeping.. the P0128 does indicate thermostat .. a change includes the housing and thermostat. When done, be sure that the correct antifreeze-coolant for your year Wrangler is used.. go with MOPAR correct OAT or HOAT is my recommendation..2013 Jeep Wrangler Coolant Temp Sensor ReplacementCode P0128 came up and he told me he would need to replace the thermostat and housing since there were cracks and coolant was seeping. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, ...Engine Temp Sensor Codes. If your Wrangler's PCM doesn't know the engine temperature, it'll keep the fuel mixture rich. When this happens, the exhaust the O2 sensors see will be out of range, and it could throw P0430. You should see P0128 and (likely) P0420 along with this code. O2 Sensor Codes.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 $107 for the ...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 $107 for the ...Conclusion — P0128 Jeep Code Guide. The P0128 Jeep code can be a frustrating issue for Jeep owners. But with a systematic approach and proper diagnosis, underlying issues can be resolved effectively. By understanding the meaning, symptoms, and potential culprits behind this error, you can promptly address the problem.Are you in search of the perfect off-road vehicle that can handle any terrain? Look no further than a Jeep Wrangler. Known for its ruggedness and versatility, the Jeep Wrangler is ...2012 Jeep Liberty Code P0128 2012 Jeep Liberty code P0128 Replaced Thermostat and temperature coolant sensor, - Jeep Cars & Trucks question. Search Fixya. Browse Categories ... 2002 Jeep Wrangler. I want torque setting for jeep 3.7l on cylinder head. Jeep Cars & Trucks. I need a 2007 fuse diagram for a jeep liberty.Walk through the steps for replacing a thermostat and housing. Once that is done follow up with bleeding the air out of the system. These steps will clear ...Diagnosing the P0128 Code. To accurately diagnose a P0128 code in a Jeep Wrangler, follow these steps: Use an OBD-II Scanner: Connect an OBD-II scanner to your Jeep's diagnostic port to confirm the presence of the P0128 code. Check Coolant Level: Ensure the coolant level is within the recommended range.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.Not sure, but the p0128 code should be setting itself at 20 mins of driving, not hours. Many on here report terrible aftermarket thermostat results, but the OEM one is almost impossible to find right now. ... Jeep Wrangler Forum. 9M posts 469.1K membersThe P0128 code in a Jeep Wrangler is a common issue that many owners might encounter. This diagnostic trouble code (DTC) is an indication that the engine's coolant temperature is below the thermostat regulating temperature, suggesting a potential problem with the coolant thermostat or the engine's ability to reach and maintain the proper ...Model Specific Jeep Discussions. Wrangler JK. JK Technical Discussion. 2013 JKU Rubicon Overheating ODBii Code P0128. 1947 Views 22 Replies 11 Participants Last post by oldhead, Mar 13, 2020. Raldo_GTM Discussion Starter · Feb 7, 2020. Add to quote; Share Only show this user. So I've been battling an issuer on my JKUR now for about a year. ...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".2012 Jeep Wrangler Engine Variable Timing Solenoid; 2012 Jeep Wrangler Vehicle / Transmission Speed Sensor; 2012 Jeep Wrangler MAP Sensor; 2012 Jeep Wrangler Knock Sensor; 2012 Jeep Wrangler Vapor Canister; Show Less. Related Makes. Buick Coolant Temperature Sensor; Cadillac Coolant Temperature Sensor;Error code P0128 indicates that your engine coolant temperature is below the thermostat regulating temperature. This means that your Engine Control Module (ECM) or …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.2011 3.8L jeep jk. received P0128 code, replaced thermostat and ECT.. Hooked up a scanner and drove on highway 65mph, coolant temp readings fluctuate between 168 - 175. When stopped or at slower speeds temperature will rise but will suddenly decrease when speed picks up. Stopped and idled noticed fan kicked in and the scanner was only reading ...What Does P0128 Jeep Grand Cherokee Code Mean? P0128 is a generic trouble code that indicates your Grand Cherokee's engine coolant temperature hasn't reached the required temperature within a specific time after starting the engine. This denotes a faulty thermostat with an open circuit. ... BMW to Audi, jeep Wrangler X to Sport, the rain ...P0128 Code and Overheating. Hi all, I have a Wrangler JKU and I noticed the aux fan started running (doesn't usually run), it's 84 out, and the engine felt like it was running a bit hot. My engine light came on with a P0128 (temp not reaching running temp within 15 mins). The temp gauge started climbing and bouncing between 3/4 and half.Jun 14, 2020 · P0128 Jeep Code - Thermostat Rationality - Code Popularity: 91,871 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 2/3. Table of contents.Jan 5, 2022 · 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 $107 for the ...Are you in search of the perfect off-road vehicle that can handle any terrain? Look no further than a Jeep Wrangler. Known for its ruggedness and versatility, the Jeep Wrangler is ...2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube. Need advice please P0128 explanation dealer advice code please need jeep jk How to fix trouble code p0339 for jeep jk unlimited rubicon 3.6l. P0128 2.4l jeep thermostat updates. how to replace a thermostat. how to. Jk 6l rubicon fix repairP0128 antifreeze P0128 cherokee ...I understand a P0128 code is thermostat related. One of the issues could be low coolant. I checked my levels and it did look low. ... Jeep Wrangler Jeep American Motors Corporation Chrysler Cars and Motor Vehicles comment sorted by Best Top New Controversial Q&A Add a Comment. no_body_cares_4me • Additional comment actions ...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. My problem is I’m in Tennessee and will ...Jeep Wrangler Forums. TJ Wrangler Technical Forum little help with p0128. Jump to Latest ... Don't forget to disconnect the battery while you replace the sensor (or for 10-15 minutes). This will reset the P0128 code. Otherwise, it will take several normal drive cycles for the CEL to go out. Good luck :thumbsup:Resetting the P0128 code on your Jeep Wrangler is a relatively straightforward process. By understanding the code and following the step-by-step guide, you can tackle this issue and get your vehicle back to its optimal condition. Remember to take preventive measures to avoid the code reoccurring in the future.P0128 Light Jeep Wrangler 1 Answer. What causes the p0128 light to come on? I just got a 2013 Jeep Wrangler unlimited sport yesterday. As soon as I got it, I hadn't to get gas because they left it on e, I then drove to work and when...P0128 won't go away. My daughters 2007 Wrangler JK radiator went out a couple months ago. I replaced the radiator, the thermostat, the coolant temp sensor, and put new coolant in and got the air out. About 2 weeks later, P0128 comes on. I replaced the thermostat again, cleared the code, and all good. 2 weeks later, P0128 just came on again?57 posts · Joined 2010. #1 · Dec 3, 2023. I got inspections coming up and of course the check engine light starts popping. Almost like it knows. Anyways, I had an oil pressure sensor code so I tackled that job, under the intake, I installed a Dorman aluminum cooler with new pressure switch. That cleared the code and 2 weeks later I get the P0128.Jan 24, 2024 · Error code P0128 indicates a problem with the coolant temperature sensor or thermostat in your Jeep. While it may not cause immediate damage, if left unresolved, it can potentially lead to long-term engine issues such as overheating or poor fuel efficiency.