Engine hot ac off in chevy impala

SOURCE: 2006 Chevy Impala ... May 11, 2013 - Uploaded by aeroaggie This applies to 2008 Chevrolet Silverado 4.3L V6 WT models. ...the dash reading "engine hot, AC off"..on a 2007 Chevy Silverado4.8L. ... I have an 09 Silverado and the dealer changed thethermostat under warranty in 2013. Read full answer. Sep 19, 2015 ...

Engine hot ac off in chevy impala. Engine Hot - AC off . . no temp guage . . rad fans on high. ... s-forum/233487-engine-hot-c-off-2006-sts.html . 2006 Black Raven STS-V Spectre Cold Air Intake, EBC Slotted & Dimpled Rotors, Hawk Performance Brake Pads, Energy Suspension Rear Bushings & Poly Bushings Front Bushings, Custom Magnaflow Exhaust, B&G Lowering Springs, NGK/AFX ...

2006 impala says engine hot a/c off it only blows luke warm air. and the gauge stays on cold - Chevrolet 2006 Impala question. Search Fixya. Browse Categories ... The ECU will shut down AC if the engine temperature is too hot. If the coolant temperature sensor is malfunctioning (lying to the ECU) telling it that the temperature is hotter than ...

check engine light came on car runs fine but heater dose not: 1/21/2021 Check engine light on and code said high voltage and low: 1/22/2021 My 2016 Chevy Impala has began making a static like sound on: 1/22/2021 Engine hot AC off , 1/23/20212008 chevy impala LTZ intermittent problem AC does not work when coolant gauge is all the way on cold and display reads "Engine Hot AC off". Has to be an Electrical problem Thermostat is good. … read moreMy the engine hot ac off message appeared yesterday so I changed the the temp sensor and thermostat but still getting the message. my temperature gauge doesn't move from cold. ... I have a 2006 chevy impala lt, the "engine hot, a/c off" has appeared on the DIC display. the car is not over heating, but the a/c is not working either. ...My car is not blowing hot air how ever the seat heater does get hot. I check these 2 tubes and it’s cold to the touch (I touched the exposed tubber part.)plano-doug Discussion starter. 2999 posts · Joined 2009. #1 · Oct 13, 2015. My wife just called to tell me she had gotten an "Engine hot, AC off" message when she was leaving the subdivision in our 2007 SS. She said she also got another message, approximately "engine powered down". No codes yet, but I'll get some when I get home tonight.I have a 2014 Chevy Impala. While driving the car the temperature read high while the engine overheating indicator came on and the turn ac off indicator. A change your oil soon indicator came on, an engine losing power indicator came on, check engine light came on and the car was smoking under the hood heavy.

It is always 1 of 2 things...Let's get this figured out!Popular Answer. Hello, yes, it could be an engine coolant temperature sensor if it is out of range on the high side causing your problem. But, until you actually effectively monitor and measure the data, you'll never know. Everything is a guess until test equipment is hooked up and data analyzed. Many things can cause an actual overheating ...169 posts · Joined 2010. #5 · Aug 14, 2013. Sounds like your fans are working if they completely didnt turn on it would over heat. Try turning the AC on to the highest setting you should see the fan turn on. The temp increasing while sitting in traffic sucks butt thats something ive learned to accept. Doesnt seem fixable.got a 2006 chevy impala ls. when you first start the car up and start driving it the a/c is hot until you roll the passenger side ac control up and down a few times. then it works perfectly until you turn it off and start over same thing happens every time.2009 Express 1500, Engine Hot, AC Off message. The engine is NOT hot and the temp gauge is "off", at 100. I know the engine is running fine, my mechanic checked it. This has happened in the past and the computer was cleared and everything was fine for weeks or months. I'm in Houston. I've seen multiple posts on this problem and the solutions ...

Why is my car AC blowing hot. 2008 Chevy Impala. Just to check the freon level - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... Engine hot AC off. 08 3900 Chevy Impala. Broke down on the. We would like to show you a description here but the site won’t allow us. 1. Not Enough Coolant. Low coolant level is one of the most common issues that you will face in your Chevy Impala or other car models. A leak in the hose or the radiator causes this technical mishap and results in a decline in the coolant level. Credit: www.youtube.com @WorkingWithWimberley.Late 2000s chevys all seem to share this issue and here is how to pull over, fix it, and keep trucking.So I am hoping that it did not go all the way hot, and the first thing to check is the main drive belt on the front of the engine then after it cools down a few mins. check the coolant level as well. If it is low when it is cooled down some you can add some water slowly and look for leaks. Ask Your Own Chevy Question.The Engine Hot AC Off warning light indicates that the car’s electric cooling fan is malfunctioning, and as a result, the engine is running hot or overheating. Notably, overheating is the top cause of engine deaths globally. Thus, you should take immediate action when your engine overheats. The AC consumes a lot of energy that the engine may ...

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Ninth-generation Impala Was Redesigned and Upgraded but Still Had Safety Issues. The ninth-generation Impala (2006-2013) emerged with some new—and arguably unimproved—looks, but otherwise didn't depart too much from the eighth generation. It was still built on GM's aging W platform and was similarly popular among fleet buyers (thus fleet sales continued until 2016).20 posts · Joined 2009. #6 · Feb 12, 2009 (Edited) having the same issues with a 2001 Impala 3800. Had the low coolant light about six months ago. Check the level always good. Never changed the low coolant sensor till about 2 weeks ago. Before I changed About 2 weeks ago the Temp guage starting going to zero and the AC stops …I got the "Engine Hot A/C Off" message on my Impala. This is how I fixed it!#EngineHotACOff#ImpalaEngineHotACOff#ImpalaThermostat07 impala noting engine hot ac off. Previous burn damage to pig tail connecting into the blower resistor, changed the resistor the blower motor and pig tail and not the blower motor does not get power ive also checked the fuses and all the fuses are good. Mechanic's Assistant: How long have you been experiencing power issues? Does the power come …No, you definitely should not turn on your car's A/C if the engine is overheating. The best plan is to pull over, turn the engine off immediately, and arrange for a tow truck. Allowing your car to overheat even once can cause extensive engine damage. If you must continue driving for whatever reason, turn the A/C OFF and the heater ON.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...

Over the last 6 weeks the following codes have come up, P0128, P1811, P1107 & P0107 chevy impala 2004 3.8 "K" code - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... thermostat ,radiater and radiater fans but my care still saying engine hot/ac off i am tired of spending money ...The engine hot ac/off light came on. It didn't seem to be overheated but it shuts off the - Answered by a verified Chevy Mechanic. ... In my 2007 Chevy Impala I have changed the water pump, the thermostat, the temperature coolant sensor, the temperature sensor harness, and the vapor lock control. ...On Sunday our 2010 Chevy Impala suddenly displayed the "engine hot - ac off" message, the air conditioner quit working and the temperature gauge flat lined to "cold" and wouldn't move. Our son suggested replacing the thermostat before taking it to a mechanic's shop. I didn't see how a thermostat could be responsible, but they're cheap and not ...'06 Chevy impala turning off ac in the morning. Since it has started getting cold in the morning I have had a weird issue. On my way to work the computer flashes to watch out for ice then about a minute or so later the temperature gadge goes down and another message pops on saying engine is hot a/c turned off.A forum community dedicated to Chevy Impala owners and enthusiasts. Come join the discussion about performance, SS models, modifications, classifieds, troubleshooting, maintenance, and more!Thought it was good. After running at full temp here's what happens. During idle with AC on car never reaches over 210.2. During cruising at 60 mph. It's around 208-212. When going up a hill it hit 217. When I turn on the heat. It drops down to 197. As soon as I then the heat off. So half way or cold or AC it goes back up to 208.Mar 14, 2024 · Depending on the scanner, you may be asked for the vehicle information. If the scanner reads the VIN automatically, it will save you a few minutes. The “Engine Hot AC Off” warning light triggers two trouble codes. The first is the P0118 code, and the second is the P0128 code. Recommendation: BlueDriver Bluetooth Pro. The last Chevrolet Impala rolled off the assembly line in February 2020. The '64 Impala, which was the last to use an X-type frame for a powerful and sporty full-size sedan, is the model ranked as one of the best Impalas by many. ... A 230 Turbo Thrift 6-cylinder engine (140 horsepower) was the base engine for the 64 Impala, but for many, the ...1. Use a scan tool to clear the codes. If the ECTS or wiring is open, the "Engine hot, A/C off" message should return immediately. If so, replace the ECTS or check the sensor wiring for defects. However, if the code does not return immediately, this does not automatically mean the sensor is OK.Apr 7, 2015 · The problem : The temperature gauge on my 2008 Impala LS (V6) stopped working. The message "Engine Hot A/C Off" was displayed. The temp gauge was completely dead - showing no temp. I replaced the the coolant temp sensor and verified electrical continuity on the harness wires and the attached connector contacts that mates to the sensor. Dec 15, 2018 · 2011 chwvy impala reading engine hot, A/C off 3 Answers. Our car keeps saying engine hot then below that says a/c off. Also the tempreture gage is all the way at zero.the heat works he have not had the ac on in a while,it did this and took it in and the ...

My Wife's car is an 08 Impala LT, 3.5L engine, with 89k miles. For several years now we've had a condition whereby the AC shuts off, and AC light blinks, whenever the car is idling in traffic. This weekend I noticed that it isn't that the car is idling in traffic that causes the AC light to flash; the AC light only flashes once the car is ...

Equinox coolant leak - Chevrolet Forum - Chevy Enthusiasts Forums. Engine hot a/c off chevy impala Equinox fwd Chevrolet equinox 2007. Equinox chevrolet. Engine off hot cargurus indicator starting cold shows helpful found people2016 chevrolet equinox lt Equinox coolant leak chevy chevroletChevrolet equinox questions.Late 2000s chevys all seem to share this issue and here is how to pull over, fix it, and keep trucking.The code P0128 set on your 2014 Malibu with the 2.5 engine due to an engine thermostat sticking open and when this happens the computer sees the false temperature reading and that causes the cooling fan to run continuously and the computer will also override the AC. The fix on this one is to replace the thermostat and clear the fault code and ...The 2009 Chevrolet Impala has 1 problems reported for engine hot, turn ac off warning. Average failure mileage is 350,000 miles.Replacing a thermostat on a 2006 Impala 3.9 V6. Dash displays an error message of "Engine Hot, A/C Off" even though the engine is not hot - it is actually t...Thank you very much guys for your answers. I have called to the auto parts today and the two parts are not very expensive (19.00 for the sensor, 4.99 for the pigtail and 35.00 for the thermostat) so I decided to change both one.Engine hot ac off code changed the thermostat with correct temp ,replaced the coolant sensor, disconnected ecm fuse then replaced temp gauge reads 210 but ac not coming on now. ... 2000 Chevy Impala: water temp..temp gauge..the hot light came on.I. I have a 2000 Chevy Impala with 70 k miles. Recently, my water temp gauge varied quickly from 160 ...Some codes do not turn on the check engine light on. Typically if the "engine hot/ a/c off " message is showing and the engine is not overheating then you will have a code P0128 code stored. This code will set if the engine does not reach normal temperature, meaning a bad thermostat or could be a computer calibration issue.

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Chevy Impala 8th Gen Discussion. 2006 3.9L ENGINE HOT A/C OFF Message ... Waited till i could feel a little heat in the upper hose. Both AC fans still running at this time as code was still present. Shut it off, cleared the code and the temp gauge jumped right away. ... With the temp gauge on cold and the "Hot Engine, A/C Off" message is on and ...I did OBD2 Scan shows. *Fan Control Relay 1 Circuit Status = Not Complete. *Fan Control Relay 1 Command= Off. *Fan Control Relay 2 and 3 Circuit Status= Not Complete. *Fan Control Relay 2 and 3 Circuit Command= Off. Engine Running time=00:23:53. Starting Up Engine Coolant=141.80F. Engine Coolant Temperature …You should probably replace the temperature sensor first, make sure the car is indeed overheating. If after replacing the temp sensor, and the problem does exist, then buy a flush kit, and back flush the system, it may be clogged. Video. Photos. My 2008 Chevy Equinox indicator says "Engine Hot, AC off" and the needle on the temp gage doesn&#39 ...Asked by Robbie May 08, 2019 at 01:52 PM about the 2014 Chevrolet Impala. Question type: Maintenance & Repair. 2014 Impala radio shows black screen and I receive message the audio is off. I looked on line and tried the advise try a hard reset but still no resolve to the issue.3 Answers. I have seen this before, the thermostat is usually the problem cause it isn’t totally closed, the other one is the coolant temperature sensor, it’s sending the wrong signal to the computer. 1 people found this helpful. Answer not posting. The "motor hot a/c off" message is there for a reason. No matter what the cause, it'll go ...Insert an existing key into the ignition cylinder.2. Turn the ignition cylinder to ON (RUN) and back to OFF.3. Remove the existing key and, within fifteen seconds, insert the new keyand turn it to ON (RUN).4. The security light will light up for two seconds to indicate success in programming the key into the vehicle.2008 impala says engine hot ac off I recharged the ac correctly and it still says engine hot blah blah blah but ac - Chevrolet 2008 Impala question. Search Fixya. Browse Categories Answer Questions . 2008 Chevrolet Impala; Chevrolet Impala Car and Truck ...Your engine temperature sensor is responsible for relaying your engine temp to the ECU. Once the temp gets so hot, the ECU commands the radiator fan to come on. If your Impala has a bad engine temp sensor the radiator fan won't know to come on, because the ECU won't know how hot the engine is. You'll need to locate and test the engine ...My car is not blowing hot air how ever the seat heater does get hot. I check these 2 tubes and it’s cold to the touch (I touched the exposed tubber part.)The instrument panel cluster (IPC) illuminates the TEMP indicator when the powertrain control module (PCM) determines that the coolant temperature is more than 128°C (262°F). The IPC receives a discrete input from the PCM requesting illumination. •. The IPC performs the display test at the start of each ignition cycle.thermostat Replacement on this 2008 chevy impala 3.5L**Product List****Product Links**Oil Pan - https://amzn.to/3uy1kSVRachet Set - https://amzn.to/3uyOXWDEl... ….

This is how you fix a condition where your Chevy vehicle says that your AC is off due to high engine temp. If your temp gauge shows cold when your engine is ...Date: July 12, 2006. TECHNICAL. Subject: Unable To Change HVAC System Modes (Update HVAC Control Module Software) Models: 2006 Chevrolet Impala, Monte Carlo. with Manual Control HVAC System (RPO CJ3) or Automatic Control HVAC System (RPO C67) Condition. Some customers may comment that they are unable to change …The most common cause of the “engine hot, AC off” warning message is a faulty engine coolant temperature (ECT) sensor or damaged ECT wiring. Other causes include a stuck open or closed thermostat, or it may be just a random engine control unit glitch. But of course, there is always a chance that the engine really is overheating.A code P0128 may mean that one or more of the following has happened: Low engine coolant level. Leaking or stuck open thermostat. Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor. Faulty intake air temperature (IAT) sensor. Possible Solutions. Past experience indicates that the most likely solution is to replace the ...Low coolant levels or leaks can trigger the “Engine Hot AC Off” light, signaling potential engine overheating. Inadequate coolant compromises the engine’s ability to dissipate heat, risking damage. Regularly check and maintain proper coolant levels to ensure optimal engine cooling and prevent costly repairs. Ignoring warnings may lead to ...#1 · Nov 19, 2017. 2010 Chevrolet Impala - 85k miles - DIY. Seems like a fairly common issue affecting these vehicles. A little over two weeks ago I started with the cheapest fix and replaced the coolant temp sensor, reset the battery and cleared the codes. Everything was fine until yesterday when the message came back.A few things could be causing your 2012 Chevy Camaro to blow hot air. One possibility is that the coolant level is low and needs to be refilled. Another possibility is that the cooling fans are not working properly and need to be replaced. Finally, it is also possible that there is a problem with the heater core and it needs to be replaced.Engine hot a/c turned off silverado 7+ engine hot ac off equinox 2007 article 2013 chevrolet express gallery 697715 Engine hot ac off message turned on and codes $7ea, $7e8. Repair Engine. Menu. Menu. ... Ac blower motor replacement on an '07 chevy express 3500Why does my chevy impala say engine hot ac off? How to reset …The 2014 Chevrolet Impala has an 18.5-gallon gas tank. With an EPA mileage estimate of 21 miles per gallon for city driving and 31 miles per gallon for the highway, it has a range ... Engine hot ac off in chevy impala, 0. You may have an issue with a faulty temperature sensor or wiring. Your engine is clearly not hot if it has been sitting for hours. Your owner's manual contains the following passage, which indicates that it should be safe to drive home, but if the message persists you need to have a mechanic check the car. Share., Coolant sensor 3.6 2012 chevrolet impala engine hot ac offEquinox chevrolet 2007 mile warranty comes year maroon Chevrolet equinox questions. Check Details Check Details. coolant sensor 3.6 2012 Chevrolet Impala engine hot ac off - YouTube. Check Details. Chevrolet Equinox Questions - A/C does not shut off - CarGurus. Check Details, Aug 9, 2018 · Asked by Charles Aug 09, 2018 at 02:17 AM about the 2008 Chevrolet Impala SS FWD. Question type: Maintenance & Repair. my car barely started after getting off work coming home and going to the. grocery store engine hot ac off came up and after finally starting temp gage. stayed on c but my fans came on and kept on going what is really going on. , 2008 chevy impala LTZ intermittent problem AC does not work when coolant gauge is all the way on cold and display reads "Engine Hot AC off". Has to be an Electrical problem Thermostat is good. … read more, Fuse box diagram (location and assignment of electrical fuses and relays) for Chevrolet (Chevy) Impala (2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013)., plano-doug Discussion starter. 2999 posts · Joined 2009. #1 · Oct 13, 2015. My wife just called to tell me she had gotten an "Engine hot, AC off" message when she was leaving the subdivision in our 2007 SS. She said she also got another message, approximately "engine powered down". No codes yet, but I'll get some when I get home tonight., If the Toyota Celica VVTI is not blowing hot air through the heater, but the engine is overheating, there could be a problem with the radiator being plugged up. Sediment sometimes builds up in the ..., 07 impala noting engine hot ac off. Previous burn damage to pig tail connecting into the blower resistor, changed the resistor the blower motor and pig tail and not the blower motor does not get power ive also checked the fuses and all the fuses are good, Ac problem 2 Answers. My son has a 2010 chevy impala and the ac and heater blow at the same time and I took it to a mechanic and he told me that it was the ac actuater and it would cost 580.00 ,can anyone help me out a..., hi, I was driving a 2007 3.9L 6cyl chevy impala when a "engine hot-a/c off" dashboard light came on. the engine temperature gauge was on cold ... 25,986 satisfied customers. I own a 2007 chevy impala. The engine hot ac off message. I own a 2007 chevy impala. The engine hot ac off message came up last week during the rain. And …, thermostat Replacement on this 2008 chevy impala 3.5L**Product List****Product Links**Oil Pan - https://amzn.to/3uy1kSVRachet Set - https://amzn.to/3uyOXWDEl... , 2006 chevy impala temp gauge is reading cold but the car says the engine is hot turn off the A/C - Chevrolet 2006 Impala question. Search Fixya. Browse Categories Answer Questions . 2006 Chevrolet Impala; Chevrolet Impala Car and Truck ... Where is the ac inlet port 06 impala ss 5.3 litre. Read full answer. Be the first to answer Jul 02, 2017 ..., 379. 73K views 6 years ago. In this video I describe how to fix the dreaded “Engine hot turn AC off” code that so many Impala owners have been lamenting over on the inter webs. Hope..., My Wife's car is an 08 Impala LT, 3.5L engine, with 89k miles. For several years now we've had a condition whereby the AC shuts off, and AC light blinks, whenever the car is idling in traffic. This weekend I noticed that it isn't that the car is idling in traffic that causes the AC light to flash; the AC light only flashes once the car is ..., FWD. AUTOMATIC. 71,800 MILES. My car reads, "engine overheated. Turn engine off!" I read the manual and stopped to look at my car. Apparently, I had no anti-freeze in the car. I bought some 50/50 and put it in the DEX-COOL container to the fill line. The lights went off and I made it the 3 miles home at which point it came on again., It could also be your coolant sensor, it won't throw check engine untill it happens a few times, can't remember the code but it's a cheap part kinda hard to get to but doable with a small ratcheting wrench. Lots of videos on YouTube to help. They'll keep running until the engine deems itself cooled down. It's, normal., engine hot ac off - Page 9 - Chevrolet Forum - Chevy Enthusiasts Forums. Chevy impala no ac diagnosis + fix Impala chevy engine ac hot off 2006 ltz Coolant sensor 3.6 2012 chevrolet impala engine hot ac off. Engine impala off hot chevy. Engine ac off hotOff hot engine impala chevy Hot engine off ac turned tahoe …, SOURCE: Faulty warning light. You will see a switch with a wiring connector plugged into the radiators side tank at the right side. That is the low coolant switch. Testimonial: "Thanks. It was difficult to see, even knowing where it was. Thanks again. Video. Photos. 2010 Impala turn a/c off engIne hot A/C stopped blowing cool message …, 488 posts · Joined 2017. #3 · Aug 11, 2023. Check the coolant level and be sure the water pump is spinning. If the thermostat has failed closed, the radiator won't have much hot coolant circulating. The rad won't be very hot. Driving with the heat at max and the heater fan on high will help cool the engine, not pleasant in August but better ..., 169 posts · Joined 2010. #5 · Aug 14, 2013. Sounds like your fans are working if they completely didnt turn on it would over heat. Try turning the AC on to the highest setting you should see the fan turn on. The temp increasing while sitting in traffic sucks butt thats something ive learned to accept. Doesnt seem fixable., 2008 3.5 Chevy Impala ENGINE HOT A/C OFF dashboard light on? Temperature gauge stuck on cold? easy fix! Replace the coolant temperature sensor, and remember;..., When it comes to keeping your home cool and comfortable during the hot summer months, having a reliable air conditioning system is essential. However, with so many different types ..., 2006 Chevy Impala, Warning light says Engine Hot A/C Off...temperature gauge is not coming off of cold. ... I was driving a 2007 3.9L 6cyl chevy impala when a "engine hot-a/c off" dashboard light came on. the engine ... thermostat ,radiater and radiater fans but my care still saying engine hot/ac off i am tired of spending money! the dealer has ..., Refer to your vehicle's manual for detailed instructions tailored to your automobile. Step 1: Turn the Ignition Off. Ensure that your vehicle is parked and the engine is turned off. Engaging the ignition switch is necessary to reset the Engine Hot AC Off warning effectively. Step 2: Wait for a Few Minutes., It does seem to happen right after it shifts into gear at around 38mph. With light throttle held all the way from 38 to around 50mph the surge will happen. The speed will not jump, just the RPM. I will try and get it on video today after work. "2011 Chevy Impala 3.5L V6 metallic ICE"., Today, I monitored the coolant temp all day, driving about 200 miles for work, and noticed something different. Coolant level is still fine, but my normal "high" coolant temperature is now 195 to 200 degrees. If I really push it, I can get it as high as 207. Normal operating temperature used to be in the 210 to 220 degree range., On my 2008 Chevy pickup, the temp gauge would show normal temp and all if a sudden would drop out down to 160 on dash. When this happened, the panel would show ENGINE HOT, AC OFF. I had this problem for months. To reset it, I would have to pull over, take the battery cable off to reset the panel. I finally did some research and found out that ..., Nov 19, 2017 · Engine Hot A/C Off - 2010 Impala. Seems like a fairly common issue affecting these vehicles. A little over two weeks ago I started with the cheapest fix and replaced the coolant temp sensor, reset the battery and cleared the codes. Everything was fine until yesterday when the message came back. , Engine Hot, AC OFF" but the car is not running hot, I notice the temp gage is - Answered by a verified Chevy Mechanic. ... In my 2007 Chevy Impala I have changed the water pump, the thermostat, the temperature coolant sensor, the temperature sensor harness, and the vapor lock control., Cruze chevy engine temp ac off due Sell equinox conditioning compressor chevy ac 2008 air Equinox 2008 chevy. Engine Hot AC Off - Introduction, Signs, Causes, and More ... 2006 chevy impala ltz (engine hot ac/off)Engine ac off 7+ engine hot ac off equinox 2007 article2008 chevrolet equinox sport awd 3.6 liter dohc 24-valve vvt v6 engine., Your Chevy Impala displays the message "Engine Hot, AC Off" when the engine temperature exceeds a safe threshold. It is a warning to prevent further damage t... , Slim443. 1 post · Joined 2015. #6 · Jan 8, 2016. My 2006 Impala is telling me: Engine Hot / AC off error, and the thermostat is reading cold. Both my fans are running and my radiator is not leaking. My check engine light is on. I changed my coolant sensor., Potential causes of a hot engine if the AC is off include a broken thermostat, a damaged water pump or hoses, and a malfunctioning radiator. When your engine overheats, turn off the AC, activate the heater, pull over, and shut off the engine. Once that’s done, have your vehicle towed to a repair shop. Prevent your engine from overheating by ...