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...Apr 18, 2018 · 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).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 ...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).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.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 ...Email expert Itzy Sabo sets Microsoft Outlook to color-code all email addressed only to him blue, because those messages are more likely to be more important and require action fro...62 posts · Joined 2016. #7 · Aug 4, 2019. So a quick update, I just hit 112k and in addition to the common Penastar V6 lifter tick my P2638 Code issue has gotten worse, the transmission bucking/throttle response is now coupled to my Jeep idling around 500-600rpms and cutting off, just @ lights or ATMs etc. when I'm in drive and stationary.P0300 code becomming more frequent. Hey guys, 2015 JKUR 6 spd owner. ~90,000km's (56,000miles). On my 20-30min commute to and from work I get a period of about 10 sometimes 30 seconds where the engine will misfire consistently. It'll misfire at idle, off the line, at any speed or RPM, but basically it'll misfire for that short period of time ...Google Authenticator can now sync single-use two-factor authentication codes to Google Accounts, for added convenience. Google Authenticator just got an update that should make it ...P0128 Code Jeep Cherokee 04 Jan 2024. ... P0128 code - Thermostat replacement - 2015 diesel Grand Cherokee - YouTube. Check Details. Check Engine code P0304 - Jeep Cherokee Forum. Check Details. ... ← Jeep Wrangler Code P0123 Jeep Wrangler 2005 Tj P0153 Engine Code ...The thermostat rationality diagnostic runs during a drive cycle that starts with the coolant temperature below 140°F. This diagnostic looks at the how cold the system is at start up, what the inlet air temperature is, and the amount of fuel burned during that drive cycle. The PCM estimates what the coolant temperature should be.Reset Check Engine Light Jeep Wrangler. If your Jeep Wrangler's check engine light is on, you can try resetting it by disconnecting the battery for 30 seconds. If the light comes back on after reconnecting the battery, then you'll need to take your Wrangler to a mechanic to have it diagnosed and repaired. A Check Engine Light (CEL) is a ...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...P0128 Coolant Code. Jump to Latest Follow ... 493 posts · Joined 2015 Add to quote; Only show this user #6 ... 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 reviews, performance, trail riding, gear, suspension, tires, classifieds ...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 sensor, a coolant fan stuck in the 'on' position, or a ...Jeep Error Code P0128 refers to a diagnostic trouble code that indicates a potential issue with the cooling system. When this code appears, it means that the engine coolant temperature does not reach the expected operating temperature within a specified time …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. Lack of heat- The most prominent symptom of the P0128 trouble code in the Jeep Wrangler is the lack of heat. When the thermostat doesn't ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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.We got this 2015 jeep wrangler here with check engine light code p0128 Thermostat below temp. I will show you step by step how to change the thermostat and f...Before you can reset the P0128 code in your Jeep Wrangler, it is essential to locate the OBD-II port. The OBD-II port is a standardized diagnostic interface that allows you to connect an OBD-II scanner to your vehicle. In most Jeep Wrangler models, the OBD-II port is conveniently located under the dashboard on the driver's side.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.Jan 7, 2022 · 2014 Jeep Wrangler- Codes P2181 and P0128 Jump to Latest Follow 2K views 7 replies 4 participants last post by CarParts.com Jan 10, 2022May 9, 2022 · 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...Check Details P0128 or oil cooler assembly. P0128 code on 2013 jeep wrangler, changed thermostat, but still seeP0128: low temp code incident P0128 jeep wrangler coolant sensor replace diyJeep engine code p0128: (meaning, causes & fixes).When I got to town I checked the code and got p0128. After about 20 minutes in town I restarted and temp went right up to 195-200. Orillys confirmed code, but would not let me use their scanner to reset. ... 2015 Messages 71,063 Location Gillette, WY. ... many consider the Jeep Wrangler TJ to be the last true Wrangler. I started Jeep …Possible Causes of P0430 in a Jeep Wrangler. Exhaust Manifold Leak. Intake Manifold Leak. Other Exhaust Leak. Oxygen Sensor. Catalytic Converter. O2 Sensor Wiring. Timing. Engine Temp Sensor.P0128 Code Jeep Wrangler 2015. Jeep wrangler tj P0128 jeep jk diagnostic code, thermostat replacement Jeep wrangler tj p0456 p0455 trouble evac repair codesP0128 code 2013 jeep wrangler 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code Jeep thermostat p0128 replace. 2012 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.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 ...Quick, unedited cell phone video covering P0128 Data Trouble Code (DTC) on 2013 Jeep Wrangler JKUR w/3.6L V6 caused by a faulty thermostat tripping Check Eng...P0128 Code After Coolant Overhaul. Thread starter Sgt Jarhead; ... Sep 28, 2015 Messages 71,087 Location Gillette, WY. May 21, 2021 #10 Thanks for the follow-up indeed! Reply. OP . Sgt Jarhead ... 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 resource for ...237 posts · Joined 2015. #1 · Mar 7, 2017. Check engine light came on last Wednesday. Code was P0128. Checked YouTube and the internet and everything said replace the thermostat as it probable stuck open. Cleared the code. Ordered the part and Mopar replacement coolant. Engine light has not come back on and I've driven it a lot, enough to ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...34 posts · Joined 2021. #1 ·Nov 18, 2021. Turned the heater on this morning and my check engine came on. It showed the lovely P0128 code (thermostat open or temp sensor) since it is used I figured it best to replace both. I bought the parts and I am ready to go. I did want to ask: 1) is there a way to get to the damn sensor without removing ...P0404 - Egr Position Sensor Rationality Open. P0405 - Egr Position Sensor Circuit Low. P0406 - Egr Position Sensor Circuit High. P0420 - Catalyst Efficiency (bank 1) P0430 - Catalyst Efficiency (bank 2) P0440 - General Evap System Failure. P0441 - Evap Purge System Performance.2005 4.0L: Codes P0016, P0171 and P0174 | Jeep Wrangler TJ Forum. Check Details. Replace p0016 opda. Jeep compass renegade 2.4 code p0016 engine light on. car not startingWhat should i do about p0122 code set on my 2002 jeep wr Does a p0016 code mean i need to replace the opda?Jeep code engine p0016 compass renegade fix. P0441 jeep wrangler ...2012 check engine code: p0300Jeep wrangler jk check engine light codes 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 codeRp4-ch11 jeep wrangler. Hello everyone. my check engine light just came on in my jeep. it threwP0123 jeep cherokee Jeep wrangler check light engine yjP0128 code 2013 jeep wrangler.March 29, 2019 by Jason. P0118 is a common OBDII trouble code. It is a general code, which means that it's going to have the same meaning for the Jeep Wrangler as it would any other vehicle. P0118: Engine Coolant Temp Sensor Circuit → High Input. This code is thrown when the resistance coming from the coolant temp sensor does not change as ...7 posts · Joined 2021. #1 · Mar 1, 2021. When driving on the road, my CEL came on, managed to scan it and my scanner came up with the P1239 code. Haven't heard that one before I so I looked it up and apparently it calls for my engine oil temp being too low. Has anyone else had this code in the past, if so, what did you do to correct it?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.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.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.I noticed that the oil pressure only varied between 51 and 59 psi at this point in the trip. I recalled it was 38-50 on the way up. When I got home I checked the codes and got P06DE. I cleared it and will continue looking at the oil pressure indication. It seems that my oil pressure sensor may be going bad. Save Share.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 ...I am getting the following codes: U140A Implausible Right Front Wheel Speed Signal Received. C1015 Right Front Wheel Speed Sensor Circuit. The funny thing is that the ABS and traction control warning lights only come on when I turn my steering wheel all the way to the left (while driving slowly or even while standing still!).Jeep wrangler Wrangler p0456 evap obdii P0128 jeep jk diagnostic code, thermostat replacement P0128 code 2013 jeep wrangler Wrangler jeep p0304 code misfire relatively obd2 trouble includes common vehicle anyJeep wrangler p0304: cylinder 4 2017 jeep wrangler p0306How to fix trouble code p0339 for jeep jk unlimited rubicon 3.6l.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.There can be different reasons causing the P0301 code to show up in your Jeep. Symptoms of a P0301 code vary depending on the cause. Here are some common symptoms of a P0301 code: A hard start or no start. Decrease in power. More fuel consumption. Stalling periodically, especially when the vehicle is idle. Rough idling.My 2016 Jeep Wrangler JKU has been throwing up the CEL with a P0128 Code off and on during the winter months. The trouble code is generated by the engine coo...Don't procrastinate on fixing misfires as they can quickly damage catalytics. as for your p0128, it was likely a history code (unless your check engine was on solid. p0128 will only reset after quite a few cycles (believe 40 from history). No worries as if it did set once, your thermostat was likely losing some performance.Third, it can and does repeat codes 118 and sometimes 128 as air gets trapped in the coolant system, I had to run mine up on ramps with the rad cap off and let it burp out until the t-stat open and closed a couple times, then my persistent codes are no more. ... Jeep Wrangler Forum. 9M posts 471.2K membersP0642 code, car stuck in limp help! Mode with erratic idle. I replaced the crank sensor and I got a used throttle body and tried to do a relearn and am getting the same issue. I check my Ground going from the block to fire wall and I found it to be fried. I had to create a ground from the block to the firewall to the the battery but still same ...Jan 24, 2024 · 2. Turn the ignition key to the “on” position without starting the engine. 3. Access the scanner’s menu and select “Read Codes” to retrieve the P0128 code. 4. After reading the code, select “Clear Codes” or “Erase Codes” option on the scanner to reset the code. 5.P0 codes are related to the vehicle’s powertrain/emissions system, whereas P1 codes are not emissions-related and therefore don’t cause the check engine light to come on, which is a common ...Jun 14, 2020 · Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Search for P0128 Jeep Questions and Answers.Dec 14, 2011 · 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.Tools Used:Milwaukee 2767-20 M18 Fuel High Torque 1/2-Inch Impact Wrench https://amzn.to/INNOVA 3612 Milwaukee Electric Tools 2557-20 M12 Fuel 3/8" RATCHETht...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).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 ...66 posts · Joined 2015 Add to quote; Only show this user #13 ... I've got the P0128 Code. I ordered a digital laser infrared thermometer and will check the temp at the thermostat housing. I need the thermometer for other things, so the time was right ($14 on Amazon). ... Jeep Wrangler Forum. 9M posts 467.3K members Since 2005 A forum community ...Best Solutions for the P0128 Code. You can try several solutions to fix the P0128 code in your Jeep. Replace the Thermostat. It must be replaced if a faulty thermostat is causing the P0128 code. A new thermostat will regulate the flow of coolant and help maintain the proper engine temperature. Check and Refill Engine CoolantThe P0128 code is an OBDII diagnostic trouble code that indicates there is an issue with the engine coolant thermostat in your Jeep not regulating temperature properly. Specifically, it means the thermostat is not allowing the engine to reach its normal operating …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 ...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 ...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.Jeep grand cherokee 05-10-fault codes p0315 & p0335 fixed!-crankshaft U11e9 code for jeep cherokee 2016 jeep wrangler p0128 Jeep cherokee code p0420 catalytic conver code fix, engine light o. ... 2015 Jeep Wrangler P0128. Check Details. JEEP CHEROKEE CODE P0420 CATALYTIC CONVER CODE FIX, ENGINE LIGHT ON. Check Details.Jeep Wrangler P0128 Code Troubleshooting. Jeep wrangler tj p0456 p0455 trouble evac repair codes Misfire jeep fixP0108 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.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".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.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 …699 posts · Joined 2015 Add to quote; Only show this user ... Brief history I threw a P0128 code and replaced my coolant thermostat and burped my radiator. Ok, then I decided to change the spark plugs on my JKU and what a beast that was! ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about ...171 posts · Joined 2017. #2 · Mar 15, 2019. I had the P06DD code and ended up replacing the pump. There's an oil pressure sensor switch by the back oil cooler housing towards the firewall. I know people have replaced that and if that doesn't clear than more than likely you'll have to replace the pump.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 sensor, a coolant fan stuck in the 'on' position, or a ...Jeep wrangler 4.0l code p0128 easy thermostat replacement. P0128 jeepP0128 code and coolant Code p0128P0128 jeep rationality pt1. P0128 jeep wrangler code coolant temp thermostat below generic regardless powertrain means whichP0128 jeep wrangler code P0128: low temp code incident. 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code ...The P0128 code keeps coming up. I've done the following: Replaced thermostat with Stant 195 Replaced the Coolant Temperature Sensor (also Stant) ... 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 resource for TJ owners around the world. Here you'll find a ...66 posts · Joined 2015 Add to quote; Only show this user #13 ... I've got the P0128 Code. I ordered a digital laser infrared thermometer and will check the temp at the thermostat housing. I need the thermometer for other things, so the time was right ($14 on Amazon). ... Jeep Wrangler Forum. 9M posts 467.3K members Since 2005 A forum community ...Turn on the motor and top off fluid as it fills in, once it doesn't take no more close the radiator cap. Now let the motor run for a few minutes while it gets hotter and once 5-10 minutes have gone by turn it off and open the bleeder valve. This is how I've done it previously. Repeat the bleeder procedure twice or 3 times and you should be ...2015 Jeep Wrangler Code P0128 20 Jul 2023. P0128 problem code jeep 2016 jeep wrangler p0128 2015 jeep wrangler p0128. Actualizar 70+ imagen 2007 jeep wrangler thermostat housing. 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code Code p0128 jeep compass renegade fix. thermostat rationality P0420 jeep wranglerNov 21, 2023 · 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 ...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 away, but 99% of the time, it starts and runs perfectly fine.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 away, but 99% of the time, it starts and runs perfectly fine.=============================Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=============================Engine Code P0128 Saving Repair Part...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 ...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...Want to learn how to code but don't know where to start? Check out this exhaustive list of educational coding resources. Trusted by business builders worldwide, the HubSpot Blogs a...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.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.... Best Solutions for the P0128 Code. You can try seveAbout Press Copyright Contact us Creator 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. P0128 isn’t the worst code out there, but you should st Coolant level is good. Jeep is my 05 LJ . 2005 TJ Unlimited (LJ) 2008 JKU Rubicon. Save Share. Like. Sort by Oldest first Oldest ... OBD-II Trouble Code: P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about ... P0128-THERMOSTAT RATIONALITY. For a complete wiring diagram, refer...
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