Jeep wrangler p0128

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.

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.675 posts · Joined 2011. #1 · Nov 16, 2014. Hi everyone, My TJ is a 4.0L manual with 112k miles. I got a code last night P0305, which means cylinder 5 is misfiring. I checked the plug, and visual around the engine. I saw this wire was missing it's shielding (See red arrow). It had slipped down below the intake.2016 JKUHR Billet Silver M/T - (current odometer 54k, paid $35,500 OTD with 13.3k miles on 2/17/2018) - AEV 2.5 + Geo - Milestar 315 Patagona Mt's - Pro Comp 7069 FB Wheels - Rugged Ridge Hurricane Fender Flares - Poison Spider Bruisers and Rocker Knockers - RR Pioneer Platform - Bushwacker Sill Plate - Rigid Ds - Warn VR10-S - Teraflex HD Carrier,TB and SS - AEV Diff Covers - ARB Compact - 2x ...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?Nov 10, 2021 · jdinny. 3301 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.

When it comes to finding the perfect pair of jeans, Wrangler is a name that stands out. With a wide selection of styles and fits, it can be difficult to know which pair is right fo...Learn how to replace the temperature sensor in your 2007-2017 Jeep Wrangler. This is an easy to perform auto repair that can be performed in your driveway.🔧...I have a 2016 Jeep Wrangler. I'm getting a check engine light and code po128 $07E8. Something about coolant thermostat ,it happened twice already basically in coolant star in the morning drive away. Answered in 1 minute by: Jeep Mechanic: Mechanic01. Hello and welcome!The Powertrain Control Module ( PCM) detects a condition where the vehicle has remained in open loop fuel control, from a start-up condition, longer than a calibrated amount of time, when conditions would have otherwise closed loop operation. P1129 Jeep Code - Closed Loop Fueling Not Achieved Bank 2.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.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, consider replacing ...Dec 21, 2016 · 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).I have a 2013 Jeep Wrangler Sport. I saw the code pop up last week. Checked it on ODB and it showed up as "Jeep Wrangler P0128: Coolant Thermostat…

I just recently re-entered the Jeep world with a 2012 JKU sport auto. About two weeks ago while driving my jeep threw three codes. P0128 (coolant temp low), P0306 (misfire on cylinder 6) and random misfire. No real drivability problems other than a slight bog when the jeep shifted into third gear.P0128 code. Jump to Latest Follow 21 - 34 of 34 Posts. 1 2. A. allikanbe1 · Registered ... 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! ...2015 Wrangler JK Check Engine Code P0128: Coolant Thermostat Temperature Below Regulating Temperature… I'm going in boys any words of wisdom? Share Add a Comment. Sort by: Best. Open comment sort options ... 1998 jeep xj classic, I need to know the next steps in fixing my heater, I flushed the heater core a while back and that helped for a ...2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube P1281 p0128 thermostat 1999 jeep grand cherokee 4.0 inline 6 Jeep cherokee p0128 4l. P0455 jeep grand cherokee code fix02 jeep grand cherokee 4.7. dead miss started suddenly. have codes P0128 jeep cherokee 2.4l thermostat. watch how to replace in part 2Cherokee p0335 fault ...

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Jeep wrangler thermostat code p0128 cherokee replace Cherokee jeep grand 4wd 4dr limited Cherokee jeep grand geneva show heading forcegt euro spec suv motor stumbleupon linkedin twitter. Find used 2014 jeep grand cherokee in rockaway beach, missouri, united.P0138 is a common OBDII code that occurs in many vehicles, including the Jeep Wrangler. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138.If the coolant in the radiator is properly topped off and there's no issue with the radiator cap and the coolant (HOAT for a 2008) is still within 5 yrs./100K miles, this could be the issue: Update - Dealer called - TSB for P2181 code. NUMBER: 18-015-10 REV. GROUP: Vehicle Performance. DATE: August 12, 2010.History of the USPS - The history of the USPS can be traced back to the founding of the first postal service in 1639. Learn more about the history of the USPS. Advertisement In col...

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 consumption. Specifically, this code suggests that the engine's coolant temperature is below the thermostat regulating temperature. Causes of the P0128 Code. Several ...How to Fix a Dodge, Chrysler & Jeep P0128 engine code: Thermostat Rationality or Coolant thermostat – coolant temperature below the thermostat regulating tem...Posted by u/trance_addict101 - 1 vote and 1 commentT. 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 ...2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code P0128 jeep wrangler 16 Mar 2024 Engine code p0128 meaning, causes, fixes (5 steps) Temperature p0128 sensor coolant thermostat ambient p0070 carparts regulating causes preventive mechanic important removes P0128 code: coolant temperature below thermostat regulating temperature2012 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 …Its your rigs computer telling you there is an issue. Preventative maintenance helps things like this from popping up. P0128 code definition Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) What the P0128 code means The P0128 code means that the engine coolant is not getting warm enough, fast enough.The 2014 Jeep Wrangler features a maximum towing capacity of 2,000 pounds. The Wrangler’s V6 engine provides 285 horsepower and is easily able to handle trailers, cargo and even sm...Hello all. Having an issue on 2006 2.4L TJ. The P0128 code keeps coming up. I've done the following: Replaced thermostat with Stant 195. Replaced the Coolant Temperature Sensor (also Stant) Flushed and Burped the …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.Jeep wrangler thermostat code p0128 cherokee replaceAgain wrangler jeep inform ok problem comes if will P0306 misfire jeep wrangler 3.6 2012Misfire wrangler. P0128 antifreezeWrangler jeep p0304 code misfire relatively obd2 trouble includes common vehicle any 2012-2016 jeep wrangler / cherokeeJeep wrangler.My jeep wrangler's check engine light was on and the mechanic's diagnostic test showed the code P0128- Coolant temp below thermostat regulating temperature. My mechanic replaced the thermostat today a …

How To Check Your Jeep Wrangler JK OBD2 Fault Code | Quadratec. Jeep wrangler engine v6 test road review automatic only torque Jeep wrangler check engine yj codes camping diagnose retrieve trip appeared anza borrego recent light where P0128 jk thermostat. Jeep wrangler road test and review. How to check your jeep wrangler jk obd2 fault code ...

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.Are you in the market for a used Jeep Wrangler Sahara? With its iconic design and off-road capabilities, the Wrangler Sahara is a popular choice among adventure enthusiasts. Howeve...2013 jeep wrangler 3.6L Engine light and TCS cam on at the same time. Car went into limp mode. code P0349, P0390 & P0394. installed new cam position sensors and crank sensor and reset the PCU. can dri … read moreReplace thermostat housing gasket with upgraded gasket. Fast and easy - 2 screws.💰Save money on other Jeep Wrangler repairs and maintenance:Starter Replacem...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 ...2016, 3.6 Check Engine light P0128 coolant temp code. Jump to Latest Follow ... Jeep Wrangler Forum. 9M posts 471.1K members Since 2005 A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion ...P0128: Coolant Thermostat (Below Regulating ... we priced out a thermostat replacement service for a 2020 Jeep Wrangler. This is a common issue seen on the 3.6-liter V6 engine fitted to these Jeeps.Model Specific Jeep Discussions. Wrangler JK (Model years 2007-2018) JK Technical Discussion. P0128 code question, no gasket for the thermostat? Jump to Latest Follow 1K views 2 ...

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Had the P0128 pop up about a week ago. Swapped out the thermostat and after about 60 miles it went away. Fast Forward about a week and maybe 450ish miles later and the P0128 is back. ... Jeep Wrangler Forum. 9M posts 469.7K members Since 2005 A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about ...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.Jeep Wrangler Check Engine Code P0128. 09 Nov 2023 by Torrey Feeney MD. P0302 code p0300 jeep wrangler feels idle off jk engine misfire misfiring why nissan forum codes fault scanning figure inspect P0128 code incident temp low Misfire jeep fix. P0128: low temp code incident | Jeep Wrangler TJ Forum ...This video goes through Troubleshooting for a P0128 engine code. We go through what problems may be associated and how we decided to change the thermostat vs...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).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.5. With the scan tool monitor the Oil Pressure Switch state. 6. Connect a jumper wire between the (K900) Sensor Ground circuit and the (G6) Engine Oil Pressure Signal circuit. NOTE: Engine Oil Pressure voltage should change from approximately 4.5 volts to less than 0.5 volt.Jeep Grand Cherokee & Commander Forums. WK Grand Cherokee & XK Commander Forum. 05 WK Limited Throwing Codes P0128 and P0700. Jump to Latest Follow 2K views 3 ...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 ...Hello all. Having an issue on 2006 2.4L TJ. The P0128 code keeps coming up. I've done the following: Replaced thermostat with Stant 195. Replaced the Coolant Temperature Sensor (also Stant) Flushed and Burped the coolant. Still getting the P0128 code.Diagnosing and troubleshooting the PO128 code in a Jeep Wrangler typically involves the following steps: Scan for codes: Use an OBD-II scanner to retrieve the fault codes stored in the vehicle’s ECM, including the PO128 code. Inspect the ECT sensor: Check the ECT sensor for any physical damage or signs of corrosion.Dealing with the P0128 code in your Jeep Wrangler doesn't have to be a stressful experience. By understanding what causes this code and following a systematic approach to troubleshooting, you can resolve the issue and get back to enjoying your vehicle's performance. Remember, regular maintenance and prompt attention to warning signs can prevent ... ….

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 …We would like to show you a description here but the site won't allow us.2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code P0128 jeep wrangler 16 Mar 2024 Engine code p0128 meaning, causes, fixes (5 steps) Temperature p0128 sensor coolant thermostat ambient p0070 carparts regulating causes preventive mechanic important removes P0128 code: coolant temperature below thermostat regulating temperatureFixing 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 …Hello all. Having an issue on 2006 2.4L TJ. The P0128 code keeps coming up. I've done the following: Replaced thermostat with Stant 195. Replaced the Coolant Temperature Sensor (also Stant) Flushed and Burped the …2015 jeep wrangler review, ratings, specs, prices, and photos2016 jeep wrangler release date,colors,truck,interior,specs Jeep thermostat p0128 dodge dtc chrysler 4l replaceJeep wrangler unlimited interior review rear wheels high rubicon door sahara sport price jeeps exterior hard back accents convertible chrome.Jeep Wrangler Forum. 9M posts 470.1K members Since 2005 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! Show Less . Full Forum Listing ...Oct 9, 2016 · 693 posts · Joined 2014. #14 · Nov 4, 2016. I have the same code and think it's my Thermostat. After reading this thread, me thinks that is a correct assessment. I am getting a new one today and will replace tomorrow. I'll post up if that's the corrective action for the P0128 code. ~Illegitimi non carborundum~ . Jeep wrangler p0128, July 6, 2022 by Jason. P1128 is a manufacturer-specific troubled code. In the case of the Jeep Wrangler, it indicates that the engine did not enter “closed-loop” fueling on the bank 1 side. If any other codes appear with P1128, start with them since this code does NOT indicate what has caused the engine not to go into closed-loop operation., 2005 jeep wrangler 4.0L. It keeps setting a p0128 code. No other concerns. What do I need to look for. Submitted: 14 years ago. Category: Jeep. Show More. Show Less. ... 2016 Jeep Wrangler got battery tested, and alternator and starter are good, battery is good, but they said it was putting out to many CAAs, ..., jeep-wrangler-jk-3-6-pentastar-engine-used-angle.jpg. 206.5 KB Views: 1,033. P1050973.jpg. 134 KB Views: 895. ... So, for anyone who reads this looking for a solution to a check engine light code P0128, replace the thermostat first (Part #5184651-AG), top off the coolant, make sure you bleed the air in the system well and then be patient. Side ..., 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code Jeep wrangler code thermostat p0128 cherokee replace 2012-2016 jeep wrangler / cherokee. P0128: low temp code incident. P0128 antifreeze .. P0128 code 2013 Jeep Wrangler | Which Antifreeze to Use | Thermostat R Check Details 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code ..., 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., 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code P0340 aed1 410c limp P0128 jeep jk diagnostic code, thermostat replacement Intermittent p0344 and p0340 code, along with esp light that causes ... P0128 Jeep JK Diagnostic Code, Thermostat Replacement - YouTube. Check Details. Jeep Grand Cherokee Thermostat Replacement - YouTube., 693 posts · Joined 2014. #14 · Nov 4, 2016. I have the same code and think it's my Thermostat. After reading this thread, me thinks that is a correct assessment. I am getting a new one today and will replace tomorrow. I'll post up if that's the corrective action for the P0128 code. ~Illegitimi non carborundum~ ., P0128 code 2013 jeep wranglerHydro blue pearl 2015 jeep wrangler unlimited for sale in randolph, nj P0128 antifreezeJeep wrangler p0128: coolant thermostat - below temp. P0128 cherokeeWrangler randolph hydro represent vary actual options 4dr wheeler willys Again wrangler jeep inform ok problem comes if will., 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;, 2012 jeep wrangler: review Wrangler randolph hydro represent vary actual options 4dr wheeler willys Jeep thermostat p0128 replace P0128 jeep jk diagnostic code, thermostat replacement P0128 code 2013 jeep wranglerDiagnose and fix jeep wrangler p0457 Dtc p0128 how to replace the thermostat on a 2.4l jeep dodge chryslerWrangler jeep caradvice., Jul 20, 2022 · 11 posts · Joined 2013. #19 · Jul 22, 2022. P0128 is pretty common. Even a low coolant level has thrown the code in mine. Luckily when the t-stat fails, it fails open instead of closed, so at least the coolant keeps flowing. On my 2013 JKUR the t-stat isn't a separate item, and I am pretty sure that is the norm., 675 posts · Joined 2011. #1 · Nov 16, 2014. Hi everyone, My TJ is a 4.0L manual with 112k miles. I got a code last night P0305, which means cylinder 5 is misfiring. I checked the plug, and visual around the engine. I saw this wire was missing it's shielding (See red arrow). It had slipped down below the intake., 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..., 4'th Cylinder. P0304 is a cylinder-specific misfire code, meaning only your Wrangler's fourth cylinder has a misfire. Before you can even diagnose P0304 in your vehicle, you need to find the fourth cylinder's location. On "V" configuration engines, it'll usually be the second cylinder on the head further away from the front of the ..., 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 ..., 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 ..., We found a couple of Chrysler technical service bulletins for several Jeep and Dodge models that recommend reprogramming the PCM (engine computer) if the code P0128 is diagnosed. Another Chrysler TSB for 2009-2010 Dodge Challenger and 2008-2010 Dodge Magnum/Charger and Chrysler 300 describes a problem where the thermostat may move out of place ..., Diagnose and fix jeep wrangler p0457. Wrangler jeep review 6l vvt v6 pentastar lb torque hp ftJeep cherokee p0128 4l 2014 jeep wrangler review2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code. 2012 jeep wrangler: review . 2014 Jeep Wrangler Review. Check Details. P0300 | Jeep Wrangler TJ Forum. Check Details. P0128 Jeep Cherokee 2.4L ..., 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)., 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..., This video will talk about the Jeep Pentastar 3.6. Find out what is normal, what isn’t, how it works, how to diagnose, and what to fix!Please SUBSCRIBE to sh..., The P0128 code in a Dodge Challenger refers to a thermostat malfunction, indicating that the engine is not reaching its optimal operating temperature. This code is commonly associated with issues related to the engine coolant temperature sensor or the thermostat itself. Important sentence: The P0128 code can lead to reduced fuel efficiency and ..., Hello all. Having an issue on 2006 2.4L TJ. The P0128 code keeps coming up. I've done the following: Replaced thermostat with Stant 195. Replaced the Coolant Temperature Sensor (also Stant) Flushed and Burped the …, This video goes through Troubleshooting for a P0128 engine code. We go through what problems may be associated and how we decided to change the thermostat vs..., P0128 code 2013 Jeep Wrangler | Which Antifreeze to Use | Thermostat R. Check Details. 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube. Check Details. 2012 Jeep Wrangler: Review | CarAdvice. Check Details. Diagnose and fix Jeep wrangler P0457 - YouTube. Check Details. P0128: low temp code incident | Jeep Wrangler TJ Forum ..., Jun 17, 2023 · What does error code P0128 mean on a Jeep Wrangler? P0128 - Thermostat Rationality. The P0128 code indicates a problem with the cooling system (coolant system). The engine control module notices that the engine temperature is below where it should be operating within a specified amount of time., EDIT: it's a 2017 Jeep Wrangler Rubicon. That's almost always caused by a thermostat not closing all the way, and at the dealership where I worked we just automatically replaced the thermostat. I can't recall a single time that didn't fix it. That's to indicate your thermostat is stuck open. If your heat blows before 160F, replace the 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 ..., The description for code P0128 is "coolant thermostat (coolant temperature below thermostat regulating temperature)." This code is set when the PCM notices that the engine has not reached operating temperature within the specified time. ... I have a 2012 jeep wrangler it posted a code of P0128 for about three days and then it went away is ..., P0108 is a generic OBD-II trouble code. It indicates your Jeep Wrangler's MAP (manifold absolute pressure) sensor's voltage reading is outside of the normal operating range. The voltage is too high. It's most commonly caused by a bad MAP sensor, wiring issue, or vacuum leak. The MAP sensor measures the air pressure coming into., I had a check engine light go off in my 12 wrangler sport. The code was p0128 - thermostat. I replaced the thermostat and thermostat housing 2 weeks ago. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, ..., Title: Understanding the P0128 Code in Jeep Wrangler: Troubleshooting and ResettingIntroduction (80 words):Welcome to Mechanics News! In today's article, we delve into the realm of Jeep Wrangler diagnostics, specifically addressing the pesky P0128 code. If you've ever come across this code on your J..., 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 ...