When I let the engine sit off the lights all go away until abnout 15mins of driving. I pulled the code with the key in the ignition dance and with a code reader and both came back with P2181. I opened rad cap and watched …107 posts · Joined 2013. #1 · Mar 23, 2015. I recently got a code "P0128 thermostat rationality" on my 2015 Jeep SRT. I first had a Jet 180 thermo and recently switched to a Mishimoto 180. Anybody else ever get this code? Is there a way to clear and see if it comes back without going to dealer? Like.Le déclenchement du code défaut P0128 peut être dû à : Une ou plusieurs fuites du système de refroidissement. Un niveau de liquide de refroidissement trop bas pouvant entraîner la formation d'une poche d'air au niveau du capteur de température du liquide de refroidissement. Un thermostat bloqué en position ouverte.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...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.2015 Jeep Grand Cherokee P0128 ... seater suv my17 performancedrive cars vehicle my15 around car au price arrives hang october srt8 review interiorJeep wrangler code thermostat p0128 cherokee replace 2017 jeep grand cherokee limited v6 0-60 & review2014-2022 jeep cherokee: pros and cons, common problems. ... 2012-2016 jeep wrangler ...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.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.Are you dreaming of hitting the off-road trails in a powerful and capable Jeep Wrangler Rubicon? With its rugged design and impressive capabilities, it’s no wonder that the Jeep Wr...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 coolant to flow through the engine at all times. When this happens, the engine is "over-cooled" and never reaches the proper operating ...1 post · Joined 2012. #11 · Feb 20, 2019. 2012 JKUR with the same problem. Check engine light and no codes either with my reader or the ignition key method. I had recently fueled up at a sketchy mini mart and thought that might be the culprit. Regardless, I checked the gas cap (was fine) and disconnected the battery for 10 minutes and the ...2014 Jeep Grand Cherokee Engine Code P0128. ... troubleshooting guide for 1999 grand cherokee 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code2014 jeep cherokee: engine in-depth look and start-up || 3.2l pentastar. ... 2015 Jeep Cherokee Review, Sport, SRT8, Accessories, Interior ...Partsavatar.ca Code p0128 Jeep wrangler jk check engine light codes P0128 jeep jk diagnostic code, thermostat replacement ... P0128 thermostat code. how to replace thermostat? 2015 jeep wrangler. Obd jeep thefts anti plug electronic systemsThermostat change jeep wrangler jk Jeep wrangler jk diagnostic codes for 2007 to 2018Code p0128.Labor: 1.0. To diagnose the P0513 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.12 days and 10 stages spanning 400km on jeep track, goat track...sometimes no track. IT SAYS SOMETHING about this race that none of the international riders who previously complete...2013 Jeep Wrangler Coolant Temp Sensor Replacement. 2013 Jeep Wrangler Coolant Temp Sensor Replacement.Nov 10, 2021 · 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. So the first assumption would be its the thermostat.in 25 days. The piece was a perfect fit for my Jeep Wrangler, and solved my issue and resolved the check engine light code P0128. What kind of vehicle do you drive? 2015 Jeep Wrangler JK Sport. Equip cars, trucks & SUVs with 2015 Jeep Wrangler Water Outlet from AutoZone. Get Yours Today!How to Fix a Dodge, Chrysler & Jeep P0128 engine code: Thermostat Rationality or Coolant thermostat - coolant temperature below the thermostat regulating tem...The P0128 code is set when the engine control module (ECM) determines that coolant temperature is lower than the original equipment thermostat’s opening temperature. In this mode, when everything is warmed up, the ECM begins to use the oxygen sensor(s) for fuel control.What is Engine Code P0128 in a Jeep Wrangler? The engine code P0128 in a Jeep Wrangler refers to a faulty thermostat or coolant temperature sensor. It indicates that the engine is not reaching its operating temperature within a specified time frame. Causes of Engine Code P0128 in a Jeep Wrangler. The potential causes of engine code P0128 in a ...P0128 2.4l jeep thermostat updates. how to replace a thermostat. how to P0340 aed1 410c limp Jeep thermostat p0128 replace 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code Intermittent p0344 and p0340 code, along with esp light that causes .trailhunter. 1858 posts · Joined 2013. #2 · Aug 22, 2018. From the internet. There are two main*causes*for*P0128: The most common*cause*is an engine coolant thermostat that has stuck open or is opening prematurely. The next*cause*is a problem with the engine coolant temperature sensor or the wiring associated with the sensor.P0128 Jeep Wrangler coolant sensor replace diy. Code P0128 could be either the thermostat or the coolant sensor .Today I replaced the coolant sensor on our 2...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 little bit but now it feels like it’s back to normal. Luke warm. if I’m driving it’s fine if I get back to an idle the temp goes back down and air gets colder.Help with code P0128 . ... 2015 Jeep Wrangler Unlimited Sport Thanks in advance for the help! Share Sort by: Best. Open comment sort options. Best. Top. New. Controversial. Old. Q&A. Add a Comment. ... A subreddit for Jeep Wrangler enthusiasts Members Online.When I had the code the oil pressure was between 70-90 under load and only at about 30 at idle. 98 Jeep Grand Cherokee Limited-Stock 121000 On the clock-Sold ... 16 Jeep Wrangler Unlimited- Leaked like a sieve and bought back by dealer 17 Jeep Wrangler Unlimited Penn State Alum:Industrial Engineering. Save Share.Jan 8, 2024 · P0128 Code. Jump to Latest ... 2015 Firecracker Red JK Hard Rock with Bushwacker Flat Fenders, AEV 2.5" lift ... A forum community dedicated to Jeep Wrangler owners ...Checked it on ODB and it showed up as "Jeep Wrangler P0128: Coolant Thermostat - Below Temp" . I read a little bit online and changed the thermostat, refilled coolant. I read that if that was the actual issue, the code disappears after a few rides. 1 ride so far and the code is still there. Now the problem I am seeing is, the temperature ...** Click "Show More" to Learn more about this video **=====Check out our NEW Website for 2023!!https://www.milehighcampers...Feb 16, 2014 · When I let the engine sit off the lights all go away until abnout 15mins of driving. I pulled the code with the key in the ignition dance and with a code reader and both came back with P2181. I opened rad cap and watched the water pump start to cycle the fluid.Code P0428. Was the recipient of a hit and run collision in my 2014 Turbodiesel JGC 3 weeks ago. The idiot that hit me was driving a Honda Accord and he made a direct hit on my driver's side wheel. New axle, knuckle, wheel, tire, front grill, side panel, etc. 3 weeks and $11k later I got the car back and all seemed fine.Fixing P0128 in the Jeep Patriot 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 ...We had a check engine light on the Jeep. It was a P0128 which is a coolant code.The engine wasn't getting to temperature. I change the thermostat and that to...Jul 10, 2019 · 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.First Name Stephen Rodgers Joined Jun 27, 2020 Threads 13 Messages 261 Reaction score 366 Location 96753 Vehicle(s) 2021 Rubicon 2 door, 2018 Colorado ZR2, 2009 Honda Ruckus, 1973 Honda CB750My 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. The temp on the dash was reaching 235 and 240 which is very hot for this car. Question: The code usually means a bad coolant sensor or a bad thermostat. But these usually fail OPEN …Code P0198. Jump to Latest Follow. 3K views 4 replies 2 participants last post by CMSRock Sep 27, 2023. J. Jeepgirl9090 Discussion starter. 5 posts · Joined 2023. #1 · Sep 26, 2023. I had this code pop up but for the life of me I can't find a definite answer on where the oil temperature sensor is located.The P0128 code in Jeep Wrangler indicates that the engine coolant temperature is below the thermostat regulating temperature. This subheading will explain what the code means and why it occurs. The P0128 code typically triggers when the coolant temperature doesn't reach the expected operating temperature within a certain time frame.2015 Jeep Wrangler Code P0128 10 Nov 2023. P0128 jk thermostat Dtc p0128 how to replace the thermostat on a 2.4l jeep dodge chrysler 2015 jeep wrangler review, ratings, specs, prices, and photos. 2015 Jeep Wrangler Review, Ratings, Specs, Prices, and Photos - The Car.Codes,codes,codes. Jeep jk wrangler p0203 p0303 misfire code fixJeep wrangler code thermostat p0128 cherokee replace 2014 jeep wrangler unlimited rubiconDtc jeep c1020-68 short explanation. 6l amh owned sahara wranglerC1020 abs dash sensor traction issues wheel speed lights code jk forum wrangler jeep Engine codesC1020 jeep. Check Details Jeep ...Tweet. To check your JK Codes, use this sequence on your ignition. Insert Ignition Key. Turn vehicle On-Off-On-Off-On. Codes will be shown on the Odometer screen. B1402 - Front Left Audio Speaker Output Circuit High. B1403 - Front Left Audio Speaker Output Circuit Open. B1405 - Front Right Audio Speaker Output Circuit Low.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 little bit but now it feels like it’s back to normal. Luke warm. if I’m driving it’s fine if I get back to an idle the temp goes back down and air …Hi, I've been driving my 2015 Wrangler for two years with this fault code. I live in a very hot climate much like AZ, and I figure that the temperature most days doesn't drop low enough to cause the thermostat to close. Then the ECU sees this as irrational behaviour and generates a code.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.🔧...P0198 code Used 2015 jeep wrangler unlimited sahara for sale ($29,995) Jeep wrangler sahara unlimited jeeps select used. Jeep wrangler. Jeep oil filter housing, images, photos, gallery, videos, hd, jeepP0198 engine oil temperature sensor Introducir 81+ imagen engine code p0128 jeep wrangler2010 jeep wrangler code p0456.2015 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. OME 2.5" lift. 1" body lift. 32" Cooper AT3's. Save Share. ... Jeep Wrangler Forum. 9M posts 471.1K membersPartsavatar.ca Code p0128 Jeep wrangler jk check engine light codes P0128 jeep jk diagnostic code, thermostat replacement ... P0128 thermostat code. how to replace thermostat? 2015 jeep wrangler. Obd jeep thefts anti plug electronic systemsThermostat change jeep wrangler jk Jeep wrangler jk diagnostic codes for 2007 to 2018Code p0128.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!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. The temp on the dash was reaching 235 and 240 which is very hot for this car. Question: The code usually means a bad coolant sensor or a bad thermostat. But these usually fail OPEN and the code ...Fixing P0128 in the Dodge Journey 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 think if you search that code & 2.4L Jeep Wranglers you will see this is a problem but as far as I know, no solutions. If you find one, be sure to post it. Here is a chart of resistance for various temps. I think it may be from the '97 FSM but also think it is probably the same for other yrs.Feb 17, 2020 · 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.P0128 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 …Jeep Wrangler Forums. JK Wrangler Technical Forum. Fault Code P0128 advice. Jump to Latest Follow 16K views ... 6762 posts · Joined 2015 Add to quote; Only show this user #7 · Apr 18 ...Today I was working on an older Dakota 5,2L and had the OBD tool out. I hooked it up to the Rubicon and found two stored codes in my system ($7E8 and $7E9). I’m guessing that these codes are probably related to the earlier “check engine” situation and repair a week ago, but haven’t been able to confirm this. I just wondered if we have ...Um, yes. Monday morning, 9/12/22, on my way to work my check engine light came on. Panic mode. Got it diagnosed…..code p0128. Researched it as best I could. Low priority fix, thermostat most likely stuck open. Have driven it everyday to work since Mon day, appx 45 miles per day. Had to make a before work stop at Walmart this morning.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...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.13423 posts · Joined 2017. #2 · May 10, 2018. P0128-THERMOSTAT RATIONALITY. Coolant is full - not the reservoir the radiator. You used correct thermostat - never lower and a OEM is recommended. The key word is RATIONALITY - as the relationship of different sensor may need to be checked. A scanner may be needed. P0455-EVAP PURGE SYSTEM LARGE LEAK.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.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...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. The ECM, an electronic control unit placed in the engine ...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.P06DD code on 2015. Jump to Latest Follow ... 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 Jeep Wrangler Code P0128 25 Nov 2023. P0128 code temp incident low 2015-2018 jeep renegade code p0128 thermostat fix Jeep p0128 renegade thermostat. Diagnose and fix Jeep wrangler P0457 - YouTube. Jeep wrangler p0456: evap system - small leak P0128: low temp code incident Wrangler p0456 evap obdii. P0128 code 2013 jeep wranglercolorubi. To erase a code, use a scanner tool to remove that specific code. To dump all codes, remove the battery cable for 10 minutes, then reconnect. If you want to erase the adaptive memory completely and set the ECU to a new start up, remove the cable 10 minutes, reattach the cable and turn the key to the run position.Jeep Wrangler Forums. JK Wrangler Technical Forum Code p0688 asd open circuit SOLVED. Jump to Latest ... Hello every one hoping I can get any ideas on where to go from here 2015 jeep jk Rubicon ... 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 …In this video we replace Eugene's thermostat due to a check engine code of P0128.2015 jeep wrangler p0128Renegade thermostat jeep p0128 Total 44+ imagen jeep wrangler code p0420 bank 1Code p0128 jeep compass renegade fix. thermostat rationality. P0128 antifreezeP0128 code jeep grand cherokee P0441 code (fixed)Introducir 81+ imagen engine code p0128 jeep wrangler.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 little bit but now it feels like it’s back to normal. Luke warm. if I’m driving it’s fine if I get back to an idle the temp goes back down and air gets colder.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 ...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 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 …- Delayed warm-up time: The engine may take longer than usual to reach its normal operating temperature, especially during colder weather conditions.249 posts · Joined 2015 Add to quote; Only show this user #1 · Dec 26, 2021. 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 ...Overview on how to replace the thermostat on 2012 - 2017 Jeep Wranglers with 3.6L engine. This had the P0128 code. Hardest part of the job is bleeding the ...#1 · Dec 21, 2016. CEL p0128 code 'coolant temp below thermostat regulating temp' This would show up on cold days. So I thought my IAT may be bad, so for $20 I changed that, but I am still getting the CEL and , in addition, code p0113 'IAT sensor 1 circuit high input' …How to change thermostat on a 2006-2017 Dodge Jeep Chrysler Ram vehicles. P0128 code fixed.Coolant temperature over heating or temperature below operational,...Jeep wrangler unlimited lift tires nitto terrain wheels fuel maverick side 18x9 steps suspensionP0128 code 2013 jeep wrangler 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 codeJeep wrangler engine code p0153.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.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.Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...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. ... 447 posts · Joined 2015 Add to quote; Only show this user ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the ...#1 · Apr 4, 2023. My 2015 JK has been throwing P0128 codes for about a year. Usually only late at night or in the morning when it's cold. I have been just ignoring it as it goes away after a few cycles, or I erase it with Jscan. In the beginning after a few codes it logged a …Jan 31, 2021 · Code P0128 came up and he told me he would need to replace the thermostat and housing since there were cracks and coolant was seeping. I tried reading up on the issue and watched some YouTube videos on how to replace so I am debating whether I should try to do the job myself or leave it to the mechanic.Intermittent p0344 and p0340 code, along with esp light that causes 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code 1999 jeep grand cherokee p0351 code...need help. P1281 p0128 thermostat 1999 jeep grand cherokee 4.0 inline 6. P0128 cherokeeP0455 jeep grand cherokee code fix Cherokee p0335 fault codes crankshaftJeep cherokee p0128 4l.A lot to take in. It’s never been easier to get customized DNA to code for anything you like. All you need is a simple translation method and a little money. For example, Adrien Lo...Model Specific Jeep Discussions. Wrangler TJ (Model years 1997-2006) TJ Technical Discussion ...Using the MotoLogic software, 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.Runs for as few hours then the Engine light comes back on, Turn the key three times to get the code P0128 then wait a minute or two than says Done, hook my computer to it says P0128. ... 2015 Firecracker Red JK Hard Rock with Bushwacker Flat Fenders, AEV 2.5" lift ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come ...Of course, they can't get it looked at in a timely fashion, so I'll do it myself. On the 2013 Wrangler JK, I have had the P0128 light on since having the water pump squeal replacement. Last week I replaced the thermostat (and housing-one piece) to the tune of ~$75, including a gallon of the $26 dollar OAT antifreeze. Light decided to come back on.Checked it on ODB and it showed up as "Jeep Wrangler P0128: Coolant Thermostat – Below Temp" . I read a little bit online and changed the thermostat, refilled coolant. I read that if that was the actual issue, the code disappears after a few rides. 1 ride so far and the code is still there. Now the problem I am seeing is, the temperature ...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 thermostat rational.... P0198 code Used 2015 jeep wrangler unlimited sahara fMar 15, 2018 · All was well. Fast forward Nov 5, 2018 · The most common symptom of a P0128 trouble code in a Jeep Wrangler is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. If the check engine light is on in your jeep, Nov 5, 2018 · 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 ... For the first time that I can recall Rubi started throwing an e...
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