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. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, …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 ... 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.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. Amazon and others that sell OEM show ~$40 with free shipping.Check out this list of real-world examples to learn how you can use QR codes to improve your customer experience. Trusted by business builders worldwide, the HubSpot Blogs are your...How to Fix a Dodge, Chrysler & Jeep P0128 engine code: Thermostat Rationality or Coolant thermostat – coolant temperature below the thermostat regulating tem...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 ...The most common symptom of a P0128 trouble code in a Jeep Grand Cherokee 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 Grand Cherokee is the lack of heat. When the thermostat ...For troubleshooting the P0128 code in your Jeep Wrangler, follow the steps as mentioned below: Manage an OBD-II scanner. Plug the scanner in the port, which is placed above the pedals on the left side of your Jeep Wrangler. Put the key to turn on the vehicle and then press the Read button on the scanner. Press on the Erase or Clear button and ...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...The P0128 code is a diagnostic trouble code (DTC) for "Engine Coolant Temperature Below Thermostat Regulating Temperature." This code indicates that the engine coolant temperature is not getting hot enough, fast enough. The thermostat is designed to open at a specific temperature to allow coolant to flow and to close when the …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 ...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.The most common symptom of a P0128 trouble code in a Jeep Grand Cherokee 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 Grand Cherokee is the lack of heat. When the thermostat ...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...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 ...Fault Code P0128 advice. Hi all... got a P0128 fault this morning. Using Torque and a cheap bluetooth OBD reader, Torque states: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). Ensured radiator and reservoir were appropriate levels (quick/easy fix). Tried the 3 trip reset afterwards, no change.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 …Save up to $100 off with Nomad discount codes. 22 verified Nomad coupons today. PCWorld’s coupon section is created with close supervision and involvement from the PCWorld deals te...The code means it is not reaching proper temp or not fast enough. The IAT sensor could be bad especially if you are in a cold climate. Read this link, it may help. OBD-II Trouble Code: P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) '05 Rubi TJ Unlimited. '93 Toyota 4Runner. Like.The P0128 code on a 2015 Jeep Wrangler indicates a potential issue with the engine coolant temperature (ECT) sensor. This subheading will delve into the details …6 Apr 2022 ... Comments20 ; How to Replace the thermostat on the Jeep Cherokee 2014 to 2019. Haynes Manuals · 56K views ; 2015-2018 Jeep Renegade code p0128 ...The 'Check Engine' light lit up on my way to work, when I got home I used my OBD2 scanner to check the code and got P0128 which states the Engine Coolant was at too low of a temperature. Is this related to the temperature outside? It was around 20F this morning, but it was colder last week and I didn't have an issue.Mar 7, 2023 · 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. How to quickly diagnose, repair, and info on symptoms and causes of a P0128 code which generally indicates a failed thermostat. www.obd-codes.com. 2015 2dr Sport. Rubicon springs and shocks take offs for 1 1/2 inch lift. Auto. Regeared Yukon 4:11, 33" duratracs ACE front and rear bumpers. 2004 Rubicon.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...T. tonydee Discussion starter. 37 posts · Joined 2017. #1 · Jan 24, 2020. Hi, In my 2013 JKU (40,000 mi) I'm getting a P0128 code. This is happening frequently here in south east Pennsylvania in the winter. It did happen once in the summer. I keep clearing the code with my ODB II scanner. The temp is running 169-174 deg F according to the OBD ...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).Jeep code P0128 refers to a diagnostic trouble code related to the cooling system of a Jeep vehicle. It indicates that the engine coolant temperature has not reached the expected operating temperature within a specified time after starting the engine. The Jeep code P0128 is a generic code, meaning it is applicable to various Jeep models …The P0128 code in Jeep Wrangler indicates that the engine coolant temperature is below the thermostat regulating temperature. This subheading will explain …Contact details, email and telephone number of authorised Jeep Kolkata workshop and service centers. You may also contact Kolkata Jeep dealer for more information. Jeep …19 Aug 2020 ... When your 2014 Jeep Grand Cherokee 3.6 v6 check engine light comes on with code P0128 the suggested fix is a thermostat change.My 2012 Sahara unlimited 3.6 V6 is throwing the code PO128-Coolant thermostat--Coolant temp below thermostat regulating temp, Bad ... Previous Jeeps: 84 CJ7 (A True Jeep), 2000 XJ (163,000 Miles/Totaled (Pictures of wrecked Jeep in gallery)), 2004 WJ (parting out die to major electrical issues) If you don't have time to do it ...Jun 17, 2023 · 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! 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...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 ...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.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 22, 2022 · 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... 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.The meaning of fault code P0128. The powertrain DTC P0128 is triggered when the coolant temperature sensor readings indicate that the coolant hasn’t reached the correct regulating temperature within a certain timeframe. In other words, it hasn’t warmed up quickly enough. The powertrain control module (PCM) also takes into account the intake air temperature …Parts I used:Jeep Grand Cherokee Thermostat https://amzn.to/2tHPqXiCheck Engine Light P0128 Jeep Grand Cherokee Thermostat Replace. Step by step how to. Part...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.Back in the fall, the P0128 code came up and I changed the Termostat. All was well. Fast forward to now - The P0128 Code came back up along with the P2181 and the P0118 Code. The Check Engine Light is on, and the temperature gauge is showing very low temp and the fan is constantly running. Sometimes the engine doesn't start right …Jan 24, 2017 · 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. From the dealer to McDonalds for breakfast to my home was approximately 15 miles. I parked my Jeep and walked over to ... 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! Save Share. Like. Sort by Oldest firstThe 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.The most common symptom of a P0128 trouble code in a Jeep Liberty 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 Liberty is the lack of heat. When the thermostat …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. The P0128 code can also be triggered by malfunctions in the engine coolant temperature sensor or its circuit. If the sensor is sending incorrect readings to your engine control module, it may think that the engine is running at a lower temperature than it actually is. This can cause the P0128 code to be triggered. Overall, there are several potential …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.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).OK, I just installed new "MoPar" thermostat after getting the PO128 code. Also decided to drain what I could of the 14 quarts listed in manual from lower hose. Was not able to flush completely but the 2 gallons of fluid removed looked new and 2014 WK only has about 70K so thought that should be fine.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! Save Share. Like. Sort by Oldest firstThe P0128 code is triggered when the engine control module (ECM) detects the engine coolant temperature (ECT) below the thermostat regulating temperature. This …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.3299 posts · Joined 2015. #4 · Nov 10, 2021. Thermostat stuck open. The first time mine did it, I just erased the DTM. P0128 is a permanent code, and will stay in the system until it completes so many cycles without detecting the low coolant temp. That said, after mine set the code again, I replaced the thermostat. hasn't been back on since.Nov 5, 2018 · 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 thermostat doesn’t ... Description. Indicates that the thermostat monitor has not achieved the required engine operating temperature within a specified amount of time after starting the …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 ...If you have a Jeep P0128 code, you must first diagnose the problem. Engine temperatures can be calculated and analyzed using the live data functionality of the FIXD sensor and app. RepairPal-certified shops have a minimum 12-month warranty on all repairs lasting 12,000 miles or more. It is possible that some repairs will be required to fix or …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...PO128 code? Jump to Latest Follow ... Previous Jeeps: 84 CJ7 (A True Jeep), 2000 XJ (163,000 Miles/Totaled (Pictures of wrecked Jeep in gallery)), 2004 WJ (parting out die to major electrical issues) If you don't have time to do it right the first time, how do you have time to do it over. Lifetime member #13 www.militaryjeepers.com …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).Jan 27, 2023 · 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. Depending on whether you have a 3.6 or 3.8, the sensor is either right next to the thermostat (replace from above) or in the block near the firewall on the driver's side (replace through ... 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?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.The P0128 code is a diagnostic trouble code (DTC) that indicates a possible issue with the thermostat in your Jeep Wrangler’s engine. It is related to the engine coolant temperature being below the expected operating range.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 Causes. Faulty/stuck open thermostat (most common) Missing Thermostat Faulty coolant temperature sensor; Faulty wiring for coolant temperature …P0455. EVAP System Large Leak. P1000 – P1099 (Fuel and air metering and auxiliary emission control) P1001. Ignition Key Off Timer Performance Too Fast. P1002. Ignition Key Off Timer Performance Too Slow. P1004. Short Runner Valve Control Performance.Modern versions of the Jeep include the Grand Cherokee, Wrangler, Compass, Patriot and Renegade. There have been many different model types of Jeep produced since its invention dur...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.