Jeep code po128.

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 first

Jeep code po128. Things To Know About Jeep code po128.

Replacing parts related to code PO128 problems can be a daunting task, as was diagnosing the P0128 code in a Jeep. This code indicates that the engine coolant temperature is below normal operating temperature. It is important to understand what needs to be done to properly diagnose and repair this issue. The first step in diagnosing …The Jeep power train control module (PCM)--or computer, as it is known in layman’s terms--controls the vehicle’s ignition, emission and fuel systems, along with other auxiliary sys...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.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.

Jan 7, 2023 · P0128 is a generic powertrain code that means the engine control module (ECM) detected that the motor hadn’t reached its required operating temperature within the required timeframe set by the manufacturer. This timeframe depends on other facts, such as ambient temperature. 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 …

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.A PO128 code in a Jeep can be caused by a faulty coolant temperature sensor, a malfunctioning thermostat, or other related issues. Diagnostic and Repair Procedures for a PO128 Code. To diagnose and repair a PO128 code in a Jeep, it is recommended to start by checking the coolant level and inspecting for any leaks.

As for what may be causing the code P0128 problem, several components need to be inspected as the function in part monitors the rate at which engine coolant reaches an ideal operating temperature.Fixing P0128 in the Jeep Renegade 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 ...Service Engine Soon. – Other than the heater not working, the only other symptom of P0128 is typically the service engine soon light itself. Slight Decrease in fuel economy – The P0128 code may also lead to a slight decrease in fuel economy. This is because your Silverado’s engine is running at a cooler temperature than it should be.7 Jun 2018 ... P0128 Jeep Cherokee 2.4L thermostat. Watch how to replace in Part 2 P2181. No heat, Overheating · Comments38.

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 …

HI @Jonathan, The P0128 code is very common. Your Cherokee's computer knows how long it should take for the car to warm up. Using the sensors that measure the air temp (ambient) as well as the temperature of the coolant, if the computer finds a deviation from what it expects or the value is completely out of bounds from what …

The PO128 code in your Jeep Grand Cherokee indicates an issue with the Engine Coolant Temperature (ECT) sensor. To troubleshoot this code, you can start by checking the coolant level and ensuring there are no leaks. Additionally, consider inspecting the ECT sensor for any damage or loose connections. If these steps don’t resolve the …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 …14 May 2016 ... Parts I used: Jeep Grand Cherokee Thermostat https://amzn.to/2tHPqXi Check Engine Light P0128 Jeep Grand Cherokee Thermostat Replace.Code P0128 is a fault condition that is gauged against similar codes with the main result being an increased emission level and poor fuel economy. Can I Still Drive with a P0128 Code?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 ...

Postal ZIP Codes - ZIP codes are five digit numbers that represent specific locations in the United States. Learn about ZIP codes and find out why ZIP codes were created. Advertise...7 posts · Joined 2010. #1 · Jan 26, 2011. I just received diagnostic code P0128 while driving home. From my search I understand it is an issue with the thermostat or coolant. Which makes sense as the following has played out in the last few days: 4 days ago I noticed my coolant level was about a half inch below the minimum line on the coolant ...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 …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. 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. Will it cover the replacement of thermostat/coolant temp sensor or not? can anyone advise? RC Forged trackbars, Bushwacker flares, Duratracs 315/70/17 on ProComp wheels, M.O.R.E ...2016 jeep cherokee latitude 2.4 thermostat removal.code po128

A code P0128 may mean that one or more of the following has happened: Low engine coolant level; Leaking or stuck open thermostat (likely) Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor; Faulty intake air temperature (IAT) sensor; ... codes P013A and P0128 2007 Jeep Commander 5.7 Hemi My Jeep is throwing those …

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.Watch as I replace the thermostat on my 2015 Jeep Wrangler Unlimited after getting the P0128 Error Code.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...If you own a Jeep or are planning to buy one, it’s important to be aware of any potential recalls that may affect your vehicle. Recalls are issued by manufacturers when they discov...If you've been looking to learn how to code, we can help you get started. Here are 4.5 lessons on the basics and extra resources to keep you going. If you've been looking to learn ...This is what happens when your code scanner reads P0128. If you ignore it your thermostat looses all rationality and decides to break free from its housing.The most common symptom of a P0128 trouble code in a Jeep Renegade 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 Renegade is the lack of heat. When the …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 ...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 ...

Ratchet said: P0128 sets when it takes longer than normal for the engine to reach operating temperature. Generally caused by a thermostat that is partially stuck open and/or low engine coolant. If there is a problem with the coolant temperature sensor, there are several trouble codes that can set for that as well.

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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 …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.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.This code indicates that the ECT sensor is not functioning properly or is sending incorrect signals to the engine control module (ECM). How does the PO128 …2. The PO128 code indicates a problem with the engine coolant temperature (ECT) sensor or thermostat. Check the ECT sensor’s electrical connections for any signs of damage or corrosion. 3. Inspect the thermostat to ensure it is functioning properly. A faulty thermostat may cause improper coolant temperature readings. 4.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, …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.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.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 …

OBD2 Code P0128 Jeep definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 Jeep code is to indicate a faulty thermostat. Similar codes: P0125 Jeep In determining the engine did not reach a ...The Jeep 4.0-liter engine uses a cast iron block and cylinder head. It comes in both an inline-6 and inline-4 cylinder version and the specifications vary, depending on the vehicle...Please help support this channel by any means such as word of mouth, sharing the links, or by donations. For donations please click on: https://www.paypal.me...Replacing parts related to code PO128 problems can be a daunting task, as was diagnosing the P0128 code in a Jeep. This code indicates that the engine coolant temperature is below normal operating temperature. It is important to understand what needs to be done to properly diagnose and repair this issue. The first step in diagnosing …Instagram:https://instagram. go5g plus military vs magenta max militarywhat does the red dot mean on samsung contactsgeneral district court roanoke vastallings funeral home obituary The Jeep Grand Cherokee is one of the most iconic vehicles on the road today. For decades, it has been a symbol of adventure and freedom, and now it’s getting an all-new makeover f...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... salvation army warsaw mohappy feet largo florida OBD2 Code P0128 Jeep definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 Jeep code is to indicate a faulty thermostat. Similar codes: P0125 Jeep In determining the engine did not reach a ...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. nutrafol commercial actors 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. What happens as a consequence is that your engine will be running colder. 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. This code is stored when the Engine …