5 posts · Joined 2021. #1 · Sep 3, 2023. I've been having this issue with my 2000 Silverado 2500 for about a year now. I have no idea what it is, and my dad, who usually can figure stuff like this out, had no idea either. I've looked on the internet and found some similar issues, but no one seems to be having this exact problem.Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. The AC is OFF. The radiator and condenser are BRAND NEW. This problem existed before and after the radiator was replaced. The fan continues to run at its maxiumum speed, regardless of the engine temperature.Oct 26, 2021 ... In this video I have a look at 2007 Chevrolet Classic 5.3 that came in with the engine light on and a customer complaint of no cooling fans.Nov 11, 2015 · 6 posts · Joined 2015. #9 · Nov 11, 2015. the truck when in originally because the transmission was acting up and the abs light and the brake like we're on. they found the tcm was shorted internally and replaced it. after that it started with the engine running with the key off and out. they checked it and said the tcm was shorted internally ...The A/C fan continues to run after the ignition is turned off. This has occurred on at least 10 occasions, the most recent yesterday. This occurs whether the single key only is left in or removed from the ignition. It is a concern because of the drain on the battery.1449 posts · Joined 2008. #17 · Jan 19, 2011 (Edited) Just take the bleeder screw out of the fuel filter head. it will turn off! Don't disconnect the batteries unless you wonto add an bad alternator to your list of problems.🔧 Experiencing the frustrating issue of your radiator fan refusing to turn off in your 2014-2019 Chevy Silverado or GMC Sierra? You're not alone! In this de...An empirial way to see if the engine is running hotter than it normally would is to let the engine idle for. a few minutes before shutting it down. The normal fan operation and the idling will cool the engine. If the. fans don't turn on after shutdown, that might indicate the computer is seeing an engine hot enough to warrant cooling with the ...When I went to turn the ignition back on, the check engine light went off and the AC blower fan came back on. In addition to the truck still running when the key is off and out of the ignition, I also lost all of my trailer lights and parking lights. My turn signals, brake lights, and hazzard lights still function properly.5. If a normal temperature can ge reached, the new engine coolant thermostat appears to be leaking and defective. Ask Your Own Chevy Question. When the fans are on the gauge doesn't move from the bottom. But when the fans stop the gauge temp records a normal temp of about 240. Chevy Mechanic: jim.Oct 3, 2022 · 2014 Chevy 1500 Silverado V6 radiator cooling fan keeps coming on. I already replace the temperature control, it quit for 2 weeks and now comes back on periodically. What say you to fix this situation …After checking wiring fans have 12 volts to them and run when jumpered to battery. Grounds checked out good. Trigger wire checks out good. Fans did not come on when engine at operating temp. Coolant temp sensor was disconnected and fans come. Replaced coolant temp sensor after engine cooled down.The ECM badly ever fails, so let's look at why the ECM would command the fans on. The ECM reacts to inputs, in this case, the information from the temperature sensor. So, it would have to be a problem with the engine temp sensor, or the wiring to the sensor. Ray. '09 Avalanche LTZ - 5.3 - 4x4 - Black. Like. Gunny81 Discussion starter.My trucks fan stays on after I turn off the truck, stays on for a few minutes then turns off. ... Owner Mobile Tech Jax LLc. Ford Motor Company Masters Degree. 1,605 satisfied customers. 2016 chevy silverado fan keeps running after engine is shut. 2016 chevy silverado fan keeps running after engine is shut off ...Now you know that - in many cars - the electric cooling fan circuits are hot all the time. Something goes wrong and the fan (s) run whether the key is on or off. Please update your profile to show which model year your SRX is - it sometimes makes a difference in parts and advice. If it won't run, chrome it.Mar 31, 2024 · In order to trigger the fan activation signal, the ECM uses the Engine Coolant Temperature as an input value. Which means that there are couple possibilities that could cause this condition : Faulty fans ( Shorted internally ) Wiring issue ( Shorted ) Faulty ECM. Faulty engine coolant temperature sensor.I have a 2014 Silverado 5.3L and my coolant temp gauge stops working on my gauge panel and my radiator fan runs wide open. I replaced the coolant temp sensor with an Autozone part on Dec.16. The problem was fixed (I thought). On Jan 4, the problem was back. Gauge bottoms out again to zero and fan runs wide open. I thought maybe just a bad sensor.Conditions for Running the DTC. • The ignition voltage is between 8-18 volts. • The engine speed is more than 40 RPM. • The ECM driver transitions from ON to OFF or from OFF to ON. Conditions for Setting the DTC. • P0481--The PCM detects an open circuit on the high speed cooling fan relay control circuit.2017 Colorado Z71 3.6L V6 4WD Extended Cab Summit White. 2000 Pontiac TransAm WS6 5.7L V8 LS1 6 Speed Manual RWD Black. Bed Lined Grille Bow Tie, White Bow Ties, WeatherTech (Floor Liners, Mud Flaps, Bump Step XL, Hood Protector, Side Window Deflectors & Sun Shade), BedRug, UltraFlex Tonneau Cover, Carhartt Seat Covers, Westin HDX XTREME Nerf ...Dec 10, 2021 · 2017 2.5 Chevy Colorado was doing the samething I replaced the thermostat is still doing the samething fan stays on when engine is off ans runs full blast when truck is running and temp gauge stays at 160 .no check engine light I disconnected the positive for 30 seconds problem came back could it be the temp sensor?Chevy Silverado's fan ... My heat gage stays at 160 and my cooling fan runs even after the truck is turned off. I have a 2016 Chevy Silverado 1500 5.3 1500, I've changed the temp sensor and the thermostat. ... 2017 Tahoe the radiator fan stays on when car is turned off and AC not running as well. Already replaced the temp sensor heater works ...Run your Silverado engine for 20 minutes so that you can raise the engine temperature. Alternatively, you can run the engine until the gauge shows that the temperature is high. Lift the hood and observe the coolant tank. Usually, this tank has two lines with the upper line reading "hot/full.".Chris Showalter is the truck chief on Sanchez's No. 2, and he is also celebrating his 700th Truck Series start. That's right, Showalter is the only person (to public knowledge) that has worked ...2 days ago after driving 32 miles to work, I stopped at MCdonald's and while waiting my car starts beeping saying running hot turn off AC (was not on) while driving the temp staying within the normal …1.2K. 235K views 3 years ago. 2014 and newer chevy silverado 5.3L. The radiator fan stays on when the engine is off. Fan runs faster than normal and run when engine is cold. Replace the...The fan in your truck has an electronically controlled viscous clutch. There's always a little drag inside so the fan always spins a bit, usually between 3 and 500 rpm going down the road. When the ECM sees coolant temps getting up beyond 200F it will start to slowly engage the fan bit by bit, with full engagement happening around 207-212F.2015 Tahoe coolent fan keeps running while vehicle is off and temp gauge is stuck on 160 or off. What is the problem - Answered by a verified Chevy Mechanic. ... my truck is overheating. it shoues hot coolent in the dash board. on the gage it shoues 160 degrees. i alreday changed the thermostat and its still doing the same. need help. ...Radiator Fan stays on. No A/C. Asked by almazanmike Apr 30, 2020 at 07:41 PM about the 2016 Chevrolet Silverado 1500 LT 4WD. Ok. Looked everywhere and can't find anything about this. My radiator fans are all out off whack (simply put). They. run from the time i turn the truck on to the time I shut it off.A/C randomly turns off. I live in west Texas and still have need for my A/C this late in the year. It has only happened to me 2-3 times now. When I'm driving my A/C will just turn itself off even though the knob is still set to 3 or 4 blower speed. But if I park the truck, turn it off, then start it back up again it comes back on just fine.Sep 4, 2023 · As a consequence, the Silverado fan keeps running when truck is off. Damaged ECU Unit. Another underlying cause could be a faulty engine control unit (ECU). The ECU is responsible for transmitting signals to the fan. It will instruct the fan to either stop or continue running.1 Answer. Possible that the thermostat relay is struck, the control unit is faulty or the thermistor is faulty. You will have to disconnect the line to the thermistor to confirm if the fan stops, if not the relay unit. If the fan stops the relay unit is faulty and if the thermistor made the fan stop it must be changed.Also when the truck is running with the a/c on you cant switch fan speeds Chevy Mechanic: Randall J , Auto Mechanic replied 5 years ago 99% you have a bad blower motor control processor.I have a 2014 Silverado 5.3L and my coolant temp gauge stops working on my gauge panel and my radiator fan runs wide open. I replaced the coolant temp sensor with an Autozone part on Dec.16. The problem was fixed (I thought). On Jan 4, the problem was back. Gauge bottoms out again to zero and fan runs wide open. I thought maybe just a bad sensor.3773 posts · Joined 2016. #24 · Feb 6, 2022. The relays are triggered by a ground signal, there are 2 wires coming from ECM that trigger them to come on with ground. One of those may be broken and contacting body somewhere and allowing the fans to be stuck on.This happened to me once. I've had my 2012 Golf TDI for about 2 weeks. I was in my office parking lot so I turned the car back on and drove it to another parking space. When I turned the car off again, the fan shut off. I'm a little concerned about this because when this happened in my 2002 MINI Cooper the entire fan unit had to be replaced.engine temp gauge not working/air con not cold. I have a 2014 Silverado Z-71. One day I noticed the cooling fans staying on longer after engine shut off, thought nothing of it. Then one day the check engine light was on so I had the codes ran and it said it was either the thermostat or the temp sensor, but then the light went off and all was good.2242 posts · Joined 2020. #9 · Sep 1, 2023. general rule of thumb: over heat while sitting == not enough fan. over heat while driveing = = not enough radiator. at 200k miles, i bet your rad is plugged. or bad water pump. thats really the only 2 things that can make it run warm on the highwaqy above 45 mph.If you’re a truck driver or own a trucking company, finding loads to haul is essential for keeping your business running smoothly. In the past, this process may have involved count...2014 GMC the temperature gage down to 160 and when engine is turned off the fan keeps running for awhile? Under 50000 - Answered by a verified GM Mechanic. ... Both cooling fans run at full speed the entire time the truck is running and for about 5 mins after I turn it off. Temp gauge stays at 160 degrees all the time.When I went to turn the ignition back on, the check engine light went off and the AC blower fan came back on. In addition to the truck still running when the key is off and out of the ignition, I also lost all of my trailer lights and parking lights. My turn signals, brake lights, and hazzard lights still function properly.2. Check the coolant temperature sensor. If the sensor is not working correctly, you have to change it, and the problem will most likely be resolved. 3. Check for a bad radiator relay and replace the bad relay with a new one to get the fan to stop running after the engine is shut OFF.The cooling fan on my silverado runs all the time. 2016 Silverado High Country 6.2 gas engine - Answered by a verified Chevy Mechanic ... 2016 chevy silverado fan keeps running after engine is shut off ... hello have a 2005 Silverado when you turn the key off the radiator fans run till batteries are dead also when the truck is running fans do ...I have a 2015 silverado and the cooling fans are always running. 2015 Chevrolet Silverado LT Crew Cab. I've checked - Answered by a verified Chevy Mechanic ... If you leave your truck off and walk away and come back they are still running or when the engine is on ... 5.3l and the radiator cooling fan is starts running with the engine shut off ...Conditions for Running the DTC. • The ignition voltage is between 8-18 volts. • The engine speed is more than 40 RPM. • The ECM driver transitions from ON to OFF or from OFF to ON. Conditions for Setting the DTC. • P0481--The PCM detects an open circuit on the high speed cooling fan relay control circuit.It commands the fans on when it thinks the engine temp is too high. It is designed to do this after the key has been turned off to cool the engine after it is shut off. Again, this will only happen if the temperature sensor reports the engine is too hot. Therefore, as I said in November, the temperature circuit is reporting that the engine temp ...Step 1 - Check the gas cap. It could be off, or loose. This is one of those issues that resembles the typical why won't my TV turn on, and the fix is it isn't plugged in. Well, one of the easiest as well as cheapest solutions for the check engine light is to make sure that your gas cap is on and tight. There is a sensor on the gas filler ...If the check valve start to fail, it will be hard to start after sitting for a certain amount of time (like overnight). but may start normally if off for just 30 minutes (as the pressure has not leaked down yet). It sounds like your fuel line is depressurizing (could be a check valve or a leak), but you've got a little fuel sitting close to the ...Took a really quiet truck and made it loud. Mine was running more when I first bought it. It would run on the freeway at times for no reason. They found a TSB for the fan and it hasn't done it since. However it should not be running all the time. Sounds like your fan clutch is bad. Fan clutch will probably wear out faster with all the use.12639 posts · Joined 2015. #2 · Jul 28, 2022. The alternator output is controlled by the BCM and will vary from 12-15 volts so your 12.6 to 14.7 volts is perfectly normal. It is explained in your owner's manual. GM has been using this system on trucks since 2005.205 Chevy truck 1500 Silverado 5.3V8 The radiator fan keeps going after the truck is sht off and drains the radiator. I need a picture of the auxilliary panel for the elctric fan close up and from a distance so I can take it to the jung yard and get the part or where can I get just this auxilliary fuse panel for the electric fan which cools the radiator.2003 silverado blower fan stays on.. under the passenger side dash, right above floor board there is a wire connector. That connector is for your blower resistor. If you unhook it, the blower will stop running, hook it back up and you will have a blower. You can also remove the fuse.Turn the AC and heater switches to the off position, and turn the temperature controls to the coldest setting. Set the HVAC to automatic. Plug in the fuses. Start the engine and let it run for five minutes. The HVAC should readjust automatically. Figure 1. Pull and reinsert the fuses for the HVAC before starting the truck.2 posts · Joined 2021. #1 · Apr 23, 2021. Hello everyone. First post here. I have a 2015 Silverado 4.3. My temp gauge stops working and my fans stay on high. I've replaced my temp sensor and it is still doing it. If I unplug the battery and reconnect everything will work just fine for a few days, and then stops working again.Silverado block chevy v8 options engineChevrolet brings 2014 silverado to pace nascar truck series in daytona Engine options for 2014 silveradoRadiator fan wont turn off on chevy silverado 1500. Fan Assembly 2016 Chevrolet Silverado 1500 - 6.2 Liter V8 Fan Assembly Check Details Silverado chevy naias chevrolet autoevolution live. 2014 chevy ...In the world of college basketball, staying up-to-date with the latest scores and analysis is essential for fans. With ESPN College Basketball, fans have access to a wealth of info...Also, if you smell burning plastic or smoke begins to enter the cabin when the blower is going, that is also a sign you have a faulty blower motor. Finally, if you hear that the blower motor is still running even when the Silverado ignition is in the "off" position, chances are, your blower motor needs replacing. Figure 1. Test your HVAC ...1. Electronic Control Unit Failure: The fan in your Chevy is controlled by the engine control unit (ECU). If the ECU malfunctions, it can cause the fan to keep spinning endlessly. 2. Thermostat Problem: A faulty thermostat can also lead to a radiator fan that keeps running after the engine has been turned off.Chevy Silverado's fan ... My heat gage stays at 160 and my cooling fan runs even after the truck is turned off. I have a 2016 Chevy Silverado 1500 5.3 1500, I've changed the temp sensor and the thermostat. ... 2017 Tahoe the radiator fan stays on when car is turned off and AC not running as well. Already replaced the temp sensor heater works ...Here are some reasons why your fan won’t turn off. Low Coolant Level. If you notice that your fan keeps running even after the engine has been shut off, then it could be that the coolant levels are low. It could be leaking from the water pump, and this reduces the amount of coolant. In turn, it could keep the fan running. Faulty RadiatorUnder normal conditions a vacuum solenoid would shut off the diesel when the ignition was turned off. Anyway, don't know if the big rigs are somehow fundamentally different, but a diesel requires no ignition to run. So, when the ignition is turned off, something must activate to stop the flow of diesel fuel.Brought truck back to dealer with intermittent problem with voltage drop on 2014 Silverado after 2500 miles. At battery , I found voltage was 12.7 volts. dealer said they found a loose ground. after two weeks same symptom. Called dealer, a two week wait for appointment, decided to troubleshoot myself. Found with all electrical loads on , volts ...Apr 7, 2022 · 18 posts · Joined 2022. #1 · Apr 7, 2022. Hello all. I recently bought a 2017 and after driving it about 1500 miles (74500k on vehicle), Something strange started happening. When I got to work yesterday, I noticed the fan running after I shut the engine off. I opened the hood, checked the coolant it was good. Felt the hoses they were luke ...Mar 5, 2023 · 2015 Radiator Fan/Coolant Temp Issue. 2015 GMC Sierra 5.3. The other day I noticed my radiator fans constantly running at full blast and staying on for 5 minutes after shutdown - saw that the coolant temp gauge was pegged low. I replaced the coolant temp sensor and the problem is still there. Looking at the live data on my OBDII scanner, I can ...Top Causes of a P0128 Code or a Radiator Fan That Won't Turn Off. If there is an issue with any of these parts, the computer can turn the radiator cooling fans on high to prevent the engine from overheating. 1. Overheating Engine. The engine could be overheating from a problem with the cooling fans. This can be noticeable at idle, which is ...If you've replaced the coolant temperature sensor in your 2016 Chevy Silverado 1500 5.3 and your fans are still running at high speed, it's the new coolant temperature sensor is either defective or not correctly installed, which would prevent it from sending accurate signals to the engine control unit (ECU). This, in turn, can lead to the ECU ...Overheating issue in 2002 Chevy Silverado 1500 5.3 liter 4x4. Been having this issue since last summer. I replaced thermostat 3 times (thinking a faulty one), fan does come on, checked for leaks with dye and UV light (only place I saw dye is out of overflow), did a chemical flush today...still no change.A/C is off. Only symptoms i have noticed are continuously running cooling fans, poor gas mileage, and interior climate heat seems to struggle than previous (but this may be unrelated?). To date, I have done the following; - Check coolant level - Checked mass airflow sensor (MAF) by swapping it with my work truck MAF; nothing changed. - Checked ...Silverado engine shut off issue 1 Answer. I have a 2011 silverado flex fuel. I go to turn off ignition and only electrical inside truck shuts down and engine stays running when brake pedal is pressed. Without my foot on brake pedal. Truck...My trucks fan stays on after I turn off the truck, stays on for a few minutes then turns off. ... Owner Mobile Tech Jax LLc. Ford Motor Company Masters Degree. 1,605 satisfied customers. 2016 chevy silverado fan keeps running after engine is shut. 2016 chevy silverado fan keeps running after engine is shut off ...The cooling fan relay will be commanded ON when the following conditions are met: - The engine coolant temperature reaches 106°C (223°F) or more. - The A/C clutch requested. - The vehicle speed is less than 38 MPH. The cooling fan relay will be commanded ON regardless of vehicle speed when the following conditions are met: - The engine ...Feb 26, 2018 · I have a 2014 Silverado 5.3L and my coolant temp gauge stops working on my gauge panel and my radiator fan runs wide open. I replaced the coolant temp sensor with an Autozone part on Dec.16. The problem was fixed (I thought). On Jan 4, the problem was back. Gauge bottoms out again to zero and fan runs wide open. I thought maybe just a bad sensor.View all shops. What causes coolant fans to stay on when engine running. Cooling system exploded, but told it's a blown head gasket, what is going on here? I start truck and the fans come on in about five seconds and stay on until i shut truck off. | Find answers to your 2014 Chevrolet Silverado 1500 q...If you've replaced the coolant temperature sensor in your 2016 Chevy Silverado 1500 5.3 and your fans are still running at high speed, it's the new coolant temperature sensor is either defective or not correctly installed, which would prevent it from sending accurate signals to the engine control unit (ECU). This, in turn, can lead to the ECU continuously running the fans at high speed.Radiator Fan Blowing Hard. Problem started a while ago, ended up fixing itself. However, it has returned. 14 Silverado 5.3L. Radiator Fan turns on immediately after start up and blows hard, then continues for the 5 mins after the truck turns off. Coolant Temp gauge works like normal when you crank, goes all the way to the right, then goes back ...So the fan on engine off will start at 225 degrees water temp and will run for 300 seconds. if your engine is off, like not even in accessory on, and the fan runs for more than 300 seconds then there is one of two problems: 1) there is a temp sensor failure or bcm hiccup. 2) your water temp is over 254 and it’s in emergency mode.Jan 17, 2024 · Why the blower motor fan keeps running with the key off. If your car has a variable-speed fan, it uses a blower motor controller instead of a blower motor resistor. It’s a solid-state device that allows the motor to run and variable speeds. However, if the blower motor fan keeps running after you turn off the car, that’s a sign of a failed ...May 8, 2014 · Radiator fan won't turn off. So I start my '14 Sierra this morning and it sounds louder than usual. The fan seems like it's loud and doesn't shut off. Last night I had to take out and unclip my air filter in order to get to my headlight assembly. I put everything back as I did the previous night when I did the same thing.I have a 2005 5.3 Chevrolet Silverado 1500. The problem I am having is that after I turn off the truck, the cooling fans will check on. They are on low and not high. Killed my battery this morning. Tested all the relays and they are good. I am in Ohio right now so the temperature is in the thirties.I have done a lot of research and most people ...You need to pressure test the system first. Then look at possible bad head gaskets, as that is a number one offender for pushing coolant out of the reservoir. Could be head gaskets but in the shop over heating is the number one offender for boiling over. Due to fans quitting working, or thermostat issues usually.Mar 23, 2022 ... 2015 suburban Silverado radiator fans won't turn off or turn on coolant gauge not working FIXED. 38K views · 2 years ago ...more ...78 Silverado Big 10 w/factory 454 00 S-10 Blazer ... fine. When I press the button again, the light goes off on the button but the A/C stays on. Sometimes, if I turn off the truck it will stay off when I start the truck again but other times it still stays engaged. ... how the fan/blower running on a low speed can damage the compressor. Ray '09 ...Each of the below problems can cause the fan to run on for to long or indefinitely after the car is shut off. Faulty temperature sensor - The temperature sensor detects the engine temperature and sends a signal to the fan to turn it on or off. If the sensor is defective, it may signal the fan to stay on even when the engine is not hot.Even if the sensor is bad, I wouldn't think that it would be responsible for them staying on after the ignition is off and key is removed. I do think they might stay on for a minute after you exit the vehicle, but they should not be getting power after that regardless of the sensor. 2013 Silverado 1500 LT, Z71, 5.3L, 6L80e, 4X4, HD Towing pkg.Disconnect your battery for a couple seconds and then restart your truck, if the temp gauge works than it’s probably not your sensor. When the truck senses incorrect temp (thermostat being stuck) it goes into a fail safe mode where the temp gauge reads nothing and fan stays on. 2. Reply.Step 1: Turn Off the Vehicle and Open the Hood. The first step in resetting the AC on your Chevy Silverado is to turn off the vehicle and safely open the hood. This step is essential to ensure your safety while working on the AC system. Be sure the engine is cool before proceeding. Step 2: Locate the AC Compressor Relay.Cooling Fan. Mechanic's Assistant: I understand that your 2017 Silverados fan is staying on and it started when you began using the heater, the Chevy Mechanic will be able to help you with this issue. Have you noticed any other issues with your 2017 Silverado, such as overheating or a decrease in engine performance? No issues that I have noticedApr 28, 2022 · so I have a 2016 Silverado Ltz and the radiator fan stays on the entire time the truck is running. Also the ac don’t get cold until 10-30 minutes. Then is blows super cold all day. I changed the coolant temp sensor and disconnected the battery for 10 minutes and it still doing the same thing. I’m not getting any codes and my gauge on the ...The GM Extended Parking feature automatically shuts off the engine when the vehicle is parked for 20 minutes and the key fob is not present, or after an hour when the key fob is present. Disabling ...When it's cold, 50 or below I shut off the A/C system entirely (the on/off button where the fan speed knob is). Not much of a heater person. After driving a few minutes I feel a slight breeze of warm air coming from the vents, but none if the truck is stopped or low speeds. ... 2020 Chevy Silverado 2020 LT Texas Edition CCSB, 5.3L, Shadow Gray ...2014 Chevy 1500 Silverado V6 radiator cooling fan keeps coming on. I already replace the temperature control, it quit for 2 weeks and now comes back on periodically. What say you to fix this situation …If the check valve start to fail, it will be hard to start after sitting for a certain amount of time (like overnight)., Aug 2, 2023 · The silverado fan may keep running when the truck is off due to a faulty fan relay or a wi, If the cooling system is critically low on coolant the engine may be running very hot, that may be the reason the cool, Truck Talk. ️ Climate Control - HVAC 2014 Silverado Fan, Location:meridian,Idaho. Owns:SS. Color:Black. Year:2004. Drivetrain:AWD. Posted Apr, What if my chevy 2014 silverado cooling fan still running but engine turn off - Answe, Here are its common causes along with solutions. Chevy Tru, Draining the old gas and replacing it with a new one helps, Truck Talk. ️ Climate Control - HVAC 2014 Silverado Fan , View all shops. What causes coolant fans to stay on when engine runn, Jan 8, 2022 · Causes of a P0128 code include: A bad co, 16 posts · Joined 2010. #1 · Jul 3, 2010. When I start my tr, Thermostat Replacement. One potential solution to the issue of , Location:meridian,Idaho. Owns:SS. Color:Black. Year:2004., 2006 chevy silverado 1500. After the truck is shut off , Oct 30, 2021 · This is a relatively common problem with, Jumped it off and all was fine until I got to job and took key, Mile_High. 546 posts · Joined 2009. #8 · Apr 20, 2010. Sounds lik.