346 posts · Joined 2013. #1 · Feb 6, 2020. Threw a P0128 code just cruising around town. Deleted code and checked engine coolant. My fluid has always shown just a small amount just visible at bottom of reservoir, which was the case. Had radio talk-show mechanic tell me he had had to replace abnormal amount of engine coolant thermostats due to ...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 ...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".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.Jeep Wrangler Forums. JK Wrangler Technical Forum 2008 JK getting code P0128. Jump to Latest ... I pulled the old key dance trick and got code P0128 - faulty thermostat - so I have changed that AND the coolant temp. sensor but the motor still hacks and snorts; and the engine light flashes when i hit 1500 rpm. ...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.Fixing P0128 in the Jeep Cherokee 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 ...May 15, 2009 · 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.Diagnose and fix jeep wrangler p0457 Jeep wrangler p0304: cylinder 4. Misfire wranglerP0306 misfire jeep wrangler 3.6 2012 Jeep wrangler2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code. P0128 problem code jeepAgain wrangler jeep inform ok problem comes if will P0153 again!. 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code ...P0128 JEEP Code - Engine Temperature takes to long to reach Operating Temperature For taking to long to warm up, the first thing everyone suspects id the thermostat, but in my experience if the engine is reaching full operating temp it isn't the thermostat, something is causing the engine to take longer than normal to warm up. ... 2005 Wrangler ...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 …P0128 problem code jeep P0128 cherokee Intermittent p0344 and p0340 code, along with esp light that causes 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube P0128 code problem 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code P0340 aed1 410c limpAnother P0128 thread for you folks. I did a coolant overhaul for my 06' 4.0. Swapping the radiator, hoses, thermostat, water pump, fan clutch, down to the Thermostat Sensor using oem/equivalent products. ... Produced from 1997-2006, many consider the Jeep Wrangler TJ to be the last true Wrangler. I started Jeep Wrangler TJ Forum to serve as a ...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 ...P0128 Jeep Wrangler. posts 20 Aug 2023. Recall On Jeep Cherokee 2018. posts 23 Nov 2023. Radio For 2002 Toyota Tacoma. posts 20 Jan 2024. Plug In Jeep Wrangler Range. posts 10 Sep 2023. Rain Guards For 2015 Chevy Silverado.How to Easily Fix the P0128 Code in Your Jeep Wrangler. The P0128 code is a common issue many Jeep Wrangler owners might encounter. It indicates that your vehicle's engine is operating at a lower temperature than what is considered optimal for efficient fuel consumption. This can lead to increased emissions, reduced fuel efficiency, and, if not ...Yes. Only code p0688 comes on, if I remove the relay then p0688 is still on and p0685 also comes on if I remove the relay then only p0688 remains. Here's a video of the fuse getting power then surging when the ignition is turned off that small blink of light at the end is whats causing the fuse to blow.I'm glad to see this has been confirmed (it's an oil temp sender, not coolant). The below are some of the Mopar parts I ordered online from a Jeep dealership. They were installed in my JKU a couple of months ago: 5149077AB Fluid Temperature Sensor $30.52 $30.52. 5149062AB Oil Pressure Sending Unit $33.67 $33.67.2002. 2001. Jeep Wrangler, as a line of SUVs, has been around since 1986. Its generational acronym at the time, YJ, was a 1987 replacement for the Jeep CJ series. The model's body sizes have varied over the years; they've been compact at one point and mid-size at another. In the middle of the second generation (TJ), in 2001, the lineup began to ...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.P0128. Jump to Latest Follow ... Jeep Wrangler Forum. 9M posts 468.8K members Since 2005 A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion ...P0128 - Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) P0300 - Random/Multiple Cylinder Misfire Detected. P0420 - Catalyst System Efficiency Below Threshold Bank 1.P1607 Jeep Code - Powertrain Control Module Internal Shutdown Timer Slow Rationality - Code Popularity: 47,701 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. Table of contents. Created and updated by William Orellana on Feb 12, 2024. Possible Causes;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 ...Oct 25, 2023 · Symptoms of the P0128 Code in a Jeep Wrangler. When the P0128 code is triggered, you may experience some noticeable symptoms: Engine running hotter or colder than normal: The engine may struggle to reach the optimal operating temperature or may overheat due to the malfunctioning thermostat or cooling system.There is nothing special about Mopar coolant. Not complicated, get a gallon of Hoat for the 2012 at the Dealer, stick with what the year/vehicle calls for. I had a 2012 JKU, used HOAT, my new Willys is the OAT. If I need/ever to top off, I'll grab a gallon at the Dealer. I have no intention of an aftermarket for a gallon of coolant.Feb 3, 2021 · Marissawalkerjones94 Discussion starter. 1 post · Joined 2020. #1 · Feb 3, 2021. I have a 2015 Jeep Wrangler with thermostat rationality throwing a code on my jeep. The tech said it could just be a sticking thermostat but upon reading it could be an engine coolant temp sensor. My temp runs normal on my jeep, & everything runs normal.Sensors backup adds Cherokee tpms ateq diagnostic manufactured mandated Jeep wrangler code thermostat p0128 cherokee replace U.s. safety regulators probe ceiling fires in 2012 jeep grand che. ... 2012-2016 jeep wrangler / cherokee.. Check Details Check Details. 2015 Jeep Grand Cherokee - Price, Photos, Reviews & Features.CODE P0118 ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT HIGH DODGE JEEP CHRYSLERIf you have a Dodge, Chrysler, Jeep, or Fiat and you have engine light on and ...The materials developer formerly known as ELeather raises $18 million in fresh growth funding from Tapestry, Jaguar Land Rover and more. The materials developer formerly known as E...It does work dropped the temp 10-12 deg f but now it threw the P0128 code.. So by adding that did I cause the code or is it a coincidence? I've read that "most" of the time it's the Tstat and others it's the sensor. We've put approx 250 miles on it and the CEL just appeared today. My scanner is within 1deg of the EVIC readout.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...The P0128 code in a Jeep Wrangler is a common issue that many owners might encounter. This diagnostic trouble code (DTC) indicates that your engine is operating at a lower temperature than what is considered optimal for efficient fuel consumption. Essentially, it suggests that your engine isn't warming up quickly enough, which can often be ...How to fix p0118 p0128 for 2012 jeep Wrangler Sport Engine Coolant Temperature Sensor thermostatHow do I fix code P0118?What repairs can fix the P0118 code?R...How to Easily Fix the P0128 Code in Your Jeep Wrangler. The P0128 code is a common issue many Jeep Wrangler owners might encounter. It indicates that your vehicle's engine is operating at a lower temperature than what is considered optimal for efficient fuel consumption. This can lead to increased emissions, reduced fuel efficiency, and, if not ...With a P0128 code, the first step is to get it properly diagnosed to figure out what is causing the malfunction in the coolant temperature circuit. Using the live data function of the FIXD sensor and app allows you to read and analyze engine temperatures to properly diagnose a P0128 code. >Click here to get FIXD for just $19.99 for a limited time!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:Check Details Jeep bumper wrangler front jk winch plate mounting eag rock road crawler off bumpers. 10 best jeep winches for the money 2023Bumper jeep winch wrangler front jk width garvin g2 series quadratec skid plate Winch jk jeep wrangler bumper front recover vehicle another use plate rock hard rh factory 4x4 forum patriot seriesStrong winches for jeeps, trucks, and suvs.Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...The P0128 code in a Jeep Wrangler is a common issue that many owners might encounter. This trouble code indicates that your engine is operating at a lower temperature than what is considered optimal for efficient fuel consumption. Essentially, it means that your engine isn't getting warm enough, which can lead to various performance issues.P0128 JEEP Code - Engine Temperature takes to long to reach Operating Temperature For taking to long to warm up, the first thing everyone suspects id the thermostat, but in my experience if the engine is reaching full operating temp it isn't the thermostat, something is causing the engine to take longer than normal to warm up. ... 2005 Wrangler ...P0128 Jeep Wrangler. posts 20 Aug 2023. Recall On Jeep Cherokee 2018. posts 23 Nov 2023. Radio For 2002 Toyota Tacoma. posts 20 Jan 2024. Plug In Jeep Wrangler Range. posts 10 Sep 2023. Rain Guards For 2015 Chevy Silverado.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...2002. 2001. Jeep Wrangler, as a line of SUVs, has been around since 1986. Its generational acronym at the time, YJ, was a 1987 replacement for the Jeep CJ series. The model's body sizes have varied over the years; they've been compact at one point and mid-size at another. In the middle of the second generation (TJ), in 2001, the lineup began to ...Jeep Wrangler Forums. TJ Wrangler Technical Forum little help with p0128. Jump to Latest ... My '05 X is throwing the P0128 code. I did a search and saw a similar ...Feb 22, 2024 · P0128: Coolant Thermostat (Below Regulating Temperature) ... Using the MotoLogic software, we priced out a thermostat replacement service for a 2020 Jeep Wrangler. This is a common issue seen on ...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 can hear ...P0128. Jump to Latest Follow ... Jeep Wrangler Forum. 9M posts 468.8K members Since 2005 A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion ...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 ...P0128 check engine light. ... Jeep Wrangler Forum. 9M posts 469.1K members Since 2005 ... Jeep Wagoneer Forum 3K+ members. Home. Forums. Model Specific Jeep Discussions. Wrangler JK (Model years 2007–2018) JK Technical Discussion. Home; About Us; Terms ...What is P0128 Jeep JK Diagnostic Code? This is a DIY video for Jeep JK Thermostat Replacement...Parts:1) Mopar Thermostat w/housing - https://www.amazon.com...$$$ Step-by-Step Guide: Fixing the P0128 Code for a Faulty Thermostat in a Jeep Wrangler 3.6LA Jeep Wrangler's P0128 code indicates that the coolant temperat...Code P0113 Jeep Description. The Intake Air Temperature (IAT) sensor is built into the Mass Air Flow sensor or in some vehicles mounted to the air filter duct housing.The sensor detects intake air temperature and transmits a signal to the Engine Control Module ().The temperature sensing unit uses a thermistor which is sensitive to the change in temperature.AUBURN HILLS, Mich., Jan. 18, 2022 /PRNewswire/ --New factory-backed, Wi-Fi-capable, Level 2 (240-volt), at-home, hybrid-electric-vehicle, wall ch... AUBURN HILLS, Mich., Jan. 18, ...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.The P0128 code is a diagnostic trouble code (DTC) that indicates your Jeep Wrangler's engine is operating at a lower temperature than what is considered optimal for efficient fuel combustion. Specifically, this code suggests that your engine hasn't reached the required operating temperature within a certain timeframe after starting the vehicle.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: 1.34 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).OBDII Codes Engine Light Definitions Diagnostic Repair | AutoCodesP0128 JEEP Possible Causes. Leaking or stuck open thermostat. Low engine coolant level. Insufficient warm up time. Faulty engine coolant temperature sensor. Engine coolant temperature sensor harness open circuit or short circuit to ground or voltage from wire damage or insulation damage. Engine coolant temperature sensor circuit poor electrical ...Fixing P0128 in the Jeep Cherokee 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 ...I drive a 2008 Wrangler JK, 4WD. Last week the engine light came on. Engine codes P0128 & P0455 popped up. ... P0128-THERMOSTAT RATIONALITY Coolant is full - not the reservoir the radiator. ... A forum community dedicated to all jeep owners and enthusiasts. Come join the discussion about performance, engine swaps, modifications, classifieds ...How to Fix a Dodge, Chrysler & Jeep P0128 engine code: Thermostat Rationality or Coolant thermostat - coolant temperature below the thermostat regulating tem...The code is P0128. It states coolant temp is always low. I thought a cool engine was a good thing? ... 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 ...It was a p0128 code (an indication of a faulty thermostat or ECT - engine coolant temp sensor). ... 2012 or older Jeep Wrangler you need a HOAT (Hybrid Organic Additive Technology) coolant, and if you drive a MY 2013 and newer Jeep Wrangler you need an OAT (Organic Additive Technology) coolant. These two types of coolants DO NOT MIX!Make: Jeep. Code: P258B. Definition: Electric Vacuum Pump Performance. Description: The Electric Vacuum Pump (EVP) system is installed to provide supplemental vacuum to the brake booster, when the engine vacuum supply is low. The pump is connected to the engine and the brake booster through a series of hoses and one-way flow check valves.2015 jeep grand cherokee p0128 codeP0128 jk replacing thermostat Código p0128 jeep grand cherokee cambio de termostatoActualizar 65+ imagen 2007 jeep wrangler p0420 code. P0128 Jeep Grand Cherokee 2015. Check Details. Dtc p0128 how to replace the thermostat on a 2.4l jeep dodge chryslerP0128 Definition: Coolant Temp - Below Thermostat Regulating Temp. The P0128 OBD-II trouble code is a generic powertrain diagnostic code (it has the same meaning for the Jeep Liberty as any other vehicle). Coolant Temperature. The coolant temp sensor is responsible for telling the Engine Control Module (ECM) the engine's coolant temperature.P0128 code just popped up this week on a 2016 JK with 86k miles. A local shop charges $225 to replace the thermostat, but really wants to run a full Dx before repairing, at an additional $125. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear ...Jan 7, 2022 · 2014 Jeep Wrangler- Codes P2181 and P0128. Ok, so I'm running out of options on fixing this. I've replaced the Coolant temp sensor and the thermostat, along with coolant. Damn thing keeps throwing these codes and the temp gauge bottoms out cold and the fan kicks on. Any suggestions?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...P0128 Thermostat Rationality. P0128 JEEP. Description. Indicates that the thermostat monitor has not achieved the required engine operating temperature within a specified amount of time after starting the engine. Symptoms- CEL. Possible causes. - Insufficient warm up time. - Low engine coolant level. - Leaking or stuck open thermostat.How to read codes on jeep tj wrangler without a code reader p0455 p1685 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code Jeep wrangler check engine yj codes camping diagnose retrieve trip appeared anza borrego recent light where Can a p0138 code be caused by a bad upstream o2 sensor? Repair Garage. Home;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.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.prior info - 2012 wrangler, 2.5 inch lift, 35s , traildash , 3.21's ... A forum community dedicated to Jeep Wrangler JK owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, reviews, engine swaps, troubleshooting, suspension, and more!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.** Click "Show More" to Learn more about this video **=====Check out our NEW Website for 2023!!https://www.milehighcampers...r/Jeep • In honor of my grandads 84th birthday, I thought y'all might enjoy some pictures of our pride and joy. As his memory and mobility fade more and more every day, I do my best to keep it running for that look on his face when it comes out of the garage.2017 jeep wrangler p0128 code '17 jeep wrangle my gf just bought a few weeks ago and were getting p0128 code (coolant thermostat below therm reg temp.) Coolant was low, topped that off and cleared the code.P0128 can be caused by a bad thermostat OR the Coolent Temperature Sensor being faulty. After much research, I decided it was the sensor, not the thermostat. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds ...P0128 is an extension of OBD-II code P0 which indicates a problem with your car’s coolant thermostat. P0 codes are displayed as P0XXX, with the third numeral in the code sequence signifying ...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 Forums. TJ Wrangler Technical Forum. CEL0128, Thermostat Rationality. Jump to Latest Follow 3K views 13 ... Just got a new CEL code--P0128 on my 2006 Wrangler Sport ...P0128: low temp code incident | Jeep Wrangler TJ Forum. Intermittent p0344 and p0340 code, along with esp light that causes Jeep wrangler thermostat code p0128 cherokee replace P0128: low temp code incident. 2012-2016 jeep wrangler / cherokee. P0340 aed1 410c limpP0128 antifreeze P0128 code incident temp low.. Check Details. Check Details ...Remove A Thermostat from a 2008 Jeep Wrangler - Follow me on Instagram @559powerscape & on Facebook @Five59powerscape.How to Easily Fix the P0128 Code in Your Jeep Wrangler. The P0128 code is a common issue many Je, Turn on the motor and top off fluid as it fills in, once it doesn’t take no more, 1,043 Posts. #21 · Oct 13, 2015 (Edited) padgett, here's what I have, Overview on how to replace the thermostat on 2012 - 2017 Jeep Wranglers with 3.6L engi, Do the following to fix Chevy code P0128. Check the coolant level: If the level is lo, Jeep cherokee grand seater suv my17 performancedri, Jeep Wrangler Forums. JK Wrangler Technical Forum. Fault Code P0128 advice. Jump to Latest Follow 16K , In today's video, Zach takes a deep dive into eng, Jun 14, 2020 · Description. Indicates that the thermostat monitor ha, P0128 Jeep Wrangler. posts 20 Aug 2023. Recall On , Hello all. Having an issue on 2006 2.4L TJ. The P0128 code, History of the USPS - The history of the USPS can be traced back to , Learn how to pay off debt faster and avoid years of never-ending in, 2014 Jeep Wrangler- Codes P2181 and P0128. Ok, so I'm running , 2016 JKU with about 81k miles. Got a P0128 code about a m, 2012 jeep grand cherokee/wrangler 3.6 thermostat p012, Jeep Engine Code P0128: (Meaning, Causes & Fixes) Check Details. , Mar 15, 2018 · All was well. Fast forward to now - The P01.