Engine hot ac off what does that mean

One minute the power may be fine, and the next the RPM drop too much and the engine shuts off. If the pump is not replaced, the engine may continue to stall at the worst possible times. 5) Low Idle. When your engine is idling, check the tachometer and see what the current RPM is. The normal RPM of an idle engine is somewhere between 600 to ...

Engine hot ac off what does that mean. Engine Hot, AC Off: What Does That Mean? What Does Check Gauges Mean? A modern vehicle is equipped with several sensors that help monitor the condition of some of its most critical components. These sensors send their data to the powertrain control module (PCM). The PCM then alerts the driver accordingly through the instrument panel cluster.

Location and How to replace the engine coolant temperature sensor. (On the video I said now I pop the trunk I meant to say pop the hood). After I replace it ...

When it gets hot, that can spell a whole lot of trouble. Not to mention, overheating is one of the top causes of death for a vehicle’s engine. In fact, your vehicle will give off a warning saying “Engine Hot, AC Off”. It is important to ensure that your engine stays alive for as long as possible and will not die a horrible early death due ...My 2013 Impala's engine hot/ac off comes on even after changing sensor. 2013 Chevrolet Impala LS FWD-Maintenance & Repair. 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 ...2007 engine hot/ac off. Shut the truck off get out check the engine, hoses are warm engine is warm coolant surge tank has coolant and is not venting. So engine is not overheating. Go to start truck will not start. I am thinking the ECM could not read a temp so went to fail safe mode that will not let it start.The dash read out says "Engine overheating, Shut off A/C". The temp needle is at 260. Car sat for ten minutes. Started up and temp at 180. Left A/C off and no problems. Then to test the next day, I drove 5 minutes with A/C on, same problem again... so I watched the gauges as it happened. Temp was steady at 180 for the first 5 minutes, …"ENGINE HOT-A/C TURNED OFF" INDICATOR ON INFO SCREEN,NOW ENGINE LIGHT ON.?WHY. 2008 GMC Yukon. Asked by PTH in Rapid City, SD on . December 01, 2012. JUST STARTED HAPPENING. IS THE THERMOSTAT BAD OR WHAT IS CAUSING THIS? 2 replies Report. Answer. Popular Answer. ziptie12 on . December 01, 2012.When some engine components are running when they should not be or when the engine is overworked (this happens frequently on very hot days as well), then these parts become stressed and can cause serious damage to the car's engine. Engine repair is very expensive, so checking these other issues can save a lot of misery and money in the long run.

An engine misfire is an event that occurs when one or more of the engine’s cylinders fail to ignite the air/fuel mixture during the combustion cycle. This can lead to a variety of engine performance issues and can even lead to serious engine damage if left untreated. For complete cylinder combustion to occur, the engine needs three important ...When your engine is hot and the AC is off, it could indicate a problem with either the cooling system or the air conditioning system. In most cases, if your engine’s temperature rises while driving, it means that coolant isn’t flowing properly through the cooling system and heat is building up in the engine compartment.The GMC Acadia air conditioner light blinking indicates that there is a problem with the system. The most likely cause of this issue is an electrical fault in one or more air conditioning system components, such as the compressor, condenser, evaporator, or blower motor. A faulty relay switch or other wiring problems may also cause it.When the Engine Hot AC Off light shows up abruptly on your dash, it means that the electric cooling fan of the engine is not functioning. This will result in the engine's overheating because it was running hot continuously. If not corrected immediately, it could lead to the engine seizing up.6. Hissing/Sizzling. If you hear a sizzling or popping sound immediately after shutting down the engine, there could be a leak. Either oil or coolant is leaking onto a hot engine component. You might see the leak on the exhaust manifold, or it could be harder to find. It could also just be a vacuum line.When your car displays the message engine hot AC off it’s a critical warning indicating that your engine is overheating. The warning protects your engine from …

What Does It Mean When Your Car Says “Engine Hot AC Off”? Engine overheating is not a “strange” term for many drivers and we are sure that we all know …Jun 19, 2011 · First is the engine is actually running hot. This would show up on your temp gauge as the engine would be running hotter then 240deg. If the gauge or display shows normal engine temp then you may have a bad thermostat. The second problem is the thermostat, its performance is checked by the engine computer. This video is brought to you by @Haymaker140Follow I'm for more how to tutorials in the future!Advertisement Let's start by looking at how a normal light is wired so that you can understand basic residential wiring for a light switch. The figure below shows the simplest poss...

Higher calling trinidad co.

5 steps to take when you have an engine overheating: 1. Turn on the heater. It sounds counterintuitive, but Reina recommends turning on the heater. It draws warmth away from the engine and into the passenger compartment, lessening the burden on the engine's cooling system. In certain circumstances, that may be enough to reverse the ...Overheating can also cause preignition. Hot spots develop inside the combustion chamber that become a source of ignition for the fuel. The erratic combustion can cause detonation as well as engine run-on in older vehicles with carburetors. Hot spots can also be very damaging and burn holes right through the top of pistons.I have a 2013 Traverse - got a warning "Engine HOt A/C Off". I have a 2013 Traverse - got a warning " Engine HOt A/C Off" and the temp gauge drops to cold. Took to the shop and they said it was a sensor and replaced it. It came back on last night. The car is not over heating and the engine isn't hot. Mechanic's Assistant: Have you checked the ...That "engine hot AC off" happens to me now and again, but it's always after I've driven it for a bit, let it sit, then start it up and go right away without it really warming back up. The truck is warm, the engine is warm, but the temp gauge hasn't moved. All I have to do to fix it is clear the code with my tuner and the temp gauge jumps up to ...An expert who has answered 20 questions. Expert. 38 Answers. Re: my car says engine hot A/C off. If the engine overheats, the computer will turn the ac off. However, on GM vehicles, the thermostat can be bad, not letting the engine get warm enough, and causing the same problem. I would replace the thermostat. Posted on Feb 12, 2015.I checked the coolant level and the OBD code after I got home. The coolant level was indeed low and the OBD code showed P0301 and P1258. I fill up the coolant, changed the coolant temperature sensor and thermostat. However, the coolant temperature still runs high. The indicator on the engine temperature gauge would go all the way up and the OBD ...

Of course you do! If the AC is not resetting itself. Then there has to be a reason. And that reason is because you have little or No Freon in your system. You have a leak my friend. You have to go to a authorized repairman on these guys because the Old Freon that's left has to be vacuumed out and stored for disposal. It is for the Ozone.A seized water pump: Another possible cause of an overheating engine is a seized water pump. The water pump circulates coolant around the engine, and if it seizes up, then coolant will not be able to flow properly and the engine will overheat. 5. A damaged radiator hose: The final possible cause of an overheating engine is a damaged radiator hose.For a 2.4 litre engine, where the pressure cap is that is the thermostat housing..if you try to remove the pressure cap (in cold temperature only) you will see the thermostat..A damaged thermostat ...1) Faulty Engine Control Unit. Although rare, the Engine Control Module (ECM) may act up and cause false temperature gauge readings. If the ECM can't detect a change in the voltage signal from the sensors due to damage, it can't effectively control the dashboard temperature gauge or the radiator fan.06 chevy carloe 3.9l engine hot a/c off on dic. iat @ 80 cts @ 80 ambient air @ 32 until starting of engine. then 80 - Answered by a verified Chevy Mechanic. ... 2008 chev silverado 4.3 rad.fanstay on dashreads engine hot ac off temp.gauge not working engine cold gas gauge moves ...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 …Ok, yes,, the AC is stuend off whenever the computer detects a problem with the cooling system Without a scan tool hooked up watching as to what the coolant temp sensor is reading, it could in fact be a sticking thermosat or even the coolant temps sensor Agasin, the AC automaticflly goes off as programmed. This is normal so,, one needs to …A thermostat can and will cause the temp gauge and check engine light to act up. If the ECM does not see the coolant heat up in a certain time frame the default is A/C off engine overheat on DIC, The gauge will also go to zero. You have to tune and adjust if you are going to run a 160 thermostat.sbehme88 Discussion starter. 4 posts · Joined 2019. #1 · Mar 31, 2019. I have a 2009 Traverse FWD, and I keep getting the "Engine Hot AC Off" code popping up. Everything I've found to this point indicates a problem in the cooling system, but the problem is that I'm running out of fixes. I've changed out the temperature sensor, the water pump ...Pontiac Mechanic: sara cole. okay, no check engine light is good, that means your engine isn't truly hot which would be a much more in depth process to figure out. How long did you wait after replacing the thermostat until the engine hot ac off light disappeared, sometimes after fixing the thermostat, or anything else that's throwing codes ...Nov 4, 2009 · 2006 Impala Engine Hot Issue. In reading some of the posts regarding false messages indicating an Engine Hot message (and subsequent Engine Hot/ Turn AC Off) displays, I experienced exactly the same thing with my 2006 3.9 LTZ. One night driving home from work, I got an Engine Hot message and thought "HOLY CRAP!".

They may be loose or plugged in the wrong place. Also, check the electrical relays or their fuses. If your fans don't have a current problem and still won't work, they're probably dead. If the A/C condenser fan dies, it could be a problem with the thermostat switch or a faulty thermostat motor.

Jun 12, 2023 · The engine hot ac off warning light means that your vehicle’s engine has overheated or is on the brink of overheating. If possible, turn off the ac and other accessories, get off the road, and switch off the engine to let it cool down. Engine Hot Ac off Sensor. If your car’s engine is running hot, one of the first things you’ll see on the dash is the “hot” light come on. This indicates that the engine temperature is too high and that something needs to be done to fix it. One possible cause of this problem is a faulty engine coolant sensor.Add to Cart. Product Details. Core Dimensions : 25.19 x 18.69 x 0.63 in. Core Size Automatic Transmission Cooler : Without Transmission Cooler Engine Oil Cooler : Without Engine Oil Cooler. See All Products Details. Replacement. Radiator, 3.3L/3.8L Engines, Aluminum Core, Plastic Tank. Part Number: P2795. 59 Reviews.When a hole or puncture develops in your heater core, all that warm air may escape too quickly to reach you at the other end of the heater ducts. Depending on the size of the puncture, you might feel mildly warm, lukewarm, or absolutely freezing air coming from your heater. 5. Your Car's Cabin Is Cold, but Its Engine Is Hot.Why does my car say engine hot AC off? : Mean. The dreaded “engine hot AC turned off” message can be alarming for any driver. This warning means that the car’s engine temperature has reached a dangerous level, and as a result, the air conditioning system is automatically turned off to prevent further damage.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 …Mar 3, 2018 ... A few videos ago I had my check engine light come on with the message "engine hot a/c off" showing up. The fix from what I've heard was ...The PCM looks at the initial start up values of the air temp sensor and the coolant temp sensor and if it has been over a set time period (about 8 hours), they are usually extremely close. So if the coolant sensor is way off and does not make sense (too high at a startup) a code is set. I replaced the thermostat and coolant temp sensor yesterday.If you have it scanned for codes you may find a P0128. When this code is set the Engine Control Module (ECM) Disables the A/C and displays engine is hot. The most common problem is a faulty thermostat. The engine is not reaching operating temperature.

Pick n pull chico cars.

How long does qnatal test take.

Flush and replace the coolant as recommended by the vehicle manufacturer. 2. Thermostat Maintenance. Ensure that the thermostat is working correctly. Replace it if it’s malfunctioning to guarantee appropriate coolant flow. 3. Radiator Care. Clean the radiator fins of debris, leaves, or dirt that can block airflow.Of course you do! If the AC is not resetting itself. Then there has to be a reason. And that reason is because you have little or No Freon in your system. You have a leak my friend. You have to go to a authorized repairman on these guys because the Old Freon that's left has to be vacuumed out and stored for disposal. It is for the Ozone.Feb 16, 2023 · What "Does Engine Hot, AC Off" Mean? Your Chevy Impala displays the "Engine Hot, AC off" alert when the electric cooling fan fails. The car engine overheats when the cooling fan and other cooling system parts malfunction. The engine requires enough power to run the AC and other systems. When the fan fails, the AC goes off to reduce the load on ... When the Engine Hot AC Off light shows up abruptly on your dash, it means that the electric cooling fan of the engine is not functioning. This will result in the engine’s overheating because it was running hot continuously. If not corrected immediately, it could lead to the engine seizing up. This situation is the leading cause of engine ... The Tecumseh company has been in business for more than 100 years, according to Tecumseh Engine Parts. That means there are lots of old Tecumseh engines out there, plus outdoor pow...2687 posts · Joined 2009. #3 · Aug 29, 2012. X2!! 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 Wideband O2, Frozen Boost Type 101 HX & …Posted on Sep 09, 2009. SOURCE: 2000 gmc sierra 1500 5.3 v8. a/c heater control problem. your heat/cool and vent selection options are controlled by engine vacuum through small clear tubes attached to the rear of your climate control interface. Other vehicles have small steel pull wires that operate the desired changes.When customers shop at Ace Hardware in stores, online or in-app, using Apple Card with Apple Pay, they'll receive 3% cashback through Apple's Daily Cash. Apple is adding another ne...sbehme88 Discussion starter. 4 posts · Joined 2019. #1 · Mar 31, 2019. I have a 2009 Traverse FWD, and I keep getting the "Engine Hot AC Off" code popping up. Everything I've found to this point indicates a problem in the cooling system, but the problem is that I'm running out of fixes. I've changed out the temperature sensor, the water pump ...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. ….

Engine Hot Ac off Sensor. If your car’s engine is running hot, one of the first things you’ll see on the dash is the “hot” light come on. This indicates that the engine temperature is too high and that something needs to be done to fix it. One possible cause of this problem is a faulty engine coolant sensor.R. rglenn828 Discussion starter. 18 posts · Joined 2009. #1 · Dec 2, 2009. I recently received the "Engine Hot AC off" message on my 2006 STS V while on a 30 mile trip. I watched the engine oil temperature on the digital display which never rose above 180 degrees so I was not to concerned. The message would go on immediately upon start …If the computer reads a discrepancy between the water temp gauges it monitors, it will send that engine hot AC off message, and turn the cooling fans on high and enter limp mode to protect the engine. The temp gauge will not read, and/or be at 165 when the key is off. If your fluid levels are fine, bottom rad hose cool, it's probably a sticking ...The “Engine Hot AC Off” Light: What Does It Mean? The “Engine Hot AC Off” light is a warning that appears on the dashboard of a vehicle when there is a problem with the air conditioning (AC) system.. This warning can indicate that the AC system is not functioning properly, or that there is an issue with the engine or other components of the …Chevy Mechanic: Dan. This usually means the thermostat has failed. When thermostat has failed the computer goes into fail safe mode, forces ac off, and temp gauge stops working. You should start by having diagnostic codes checked, if you are getting code P0128 then thermostat needs to be replaced.Jan 25, 2024 · AC turns off due to high engine temp as a safety feature to prevent damage. Overheating can be caused by cooling system issues like faulty thermostat or low coolant. Check temp gauge first to confirm overheating. Then inspect cooling system parts like radiator, water pump, thermostat to find the root cause. 5 posts · Joined 2020. #5 · Aug 19, 2020. I just had similar issue with my 2015 traverse. It was the coolant sensor but it gave an engine code that they were able to read. About $150 to replace at local garage, part was $47. I didn't have an engine hot message, just noticed my fan was running after I turned off the car and the ac was running ...The A/C turns off when your truck overheats to prevent damage. If the computer has no idea what your cooling system is doing, it defaults to this safe mode of turning the A/C off. If it's not running hot you either have significant air bubbles in the system, or a bad sensor.If your car's AC is blowing warm air, it could be due to a high engine temperature. Here's how to fix it: 1. Check the radiator and cooling system for leaks. If there are any leaks, repair them immediately. 2. Check the coolant level and add more if necessary. 3. Engine hot ac off what does that mean, Use a wrench to loosen and remove the bolts that hold the compressor in place. Carefully remove the compressor from the engine bay and disconnect the electrical connector. Use a leak detection kit to find the source of the leak. Once you’ve found the source of the leak, use AC repair tape or AC sealant to fix it., Jun 19, 2011 · First is the engine is actually running hot. This would show up on your temp gauge as the engine would be running hotter then 240deg. If the gauge or display shows normal engine temp then you may have a bad thermostat. The second problem is the thermostat, its performance is checked by the engine computer. , It helps cool down the engine by reducing the temperature of the fluid. If this does not take place, the engine will surely overheat. And it can cause damage to the engine. Read more: Engine Hot AC Off: What Does It Mean And How To Fix It? Freeze protection. This is for those living in colder regions., What does Engine Hot AC Off mean Impala? This dashboard light indicates a malfunctioning cooling fan within the system, which causes the engine to run hot or become overheated (which explains the term "Engine Hot").. Under such circumstances, the AC consumes too much energy beyond the engine's generative capability, forcing it to shut off on its own to reduce the engine's load and ..., The AC is off due to the high engine temperature symbol means that the PCM (Powertrain Control Module) detects too much heat in your engine, or the electric cooling fan has stopped working. The A/C is turned off automatically to prevent overheating. The PMC is used to monitor your engine’s temperature, and if it detects an …, Pop the hood and it's right above the exhaust manifoldI mean the exhaust manifold bolt to the head but the sensor is right above the manifold. Ask Your Own GM Question. Customer reply replied 5 years ago. ... I intermittently get "engine hot, AC turned off", however the engine is not hot., Either way, low coolant pressure is going to lead to an overheating engine. 9. Low Oil. This is a very rare issue, but it can absolutely happen! Oil has several properties, but one of the critical ones is cooling. Without enough oil, engine components will create a lot more friction, which heats everything. If it gets too hot, your engine can ..., If they are dirty, the VSC OFF or TRAC OFF light will pop up on your instrument panel. 3. Failing ABS Control Module. If the ABS Control module of your car is not working correctly, it could also cause the VSC OFF or TRAC OFF light to turn on. This module takes care of controlling your car's ABS., 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 ..., On some cars, a yellow check engine light means investigate the problem and a red one means stop right now. Try tightening your gas cap. This can often solve the problem. Keep in mind that it may ..., What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to all 1996-newer vehicles (Ford, Hyundai, Kia, Mazda, Mercedes-Benz, etc.). Although generic, the specific repair steps may vary depending on make/model. ... Engine hot/ AC OFF 2008 Chevy Impala P0116 Hi,i hope you can help. I own ..., 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 ..., 3. Remove the existing key and, within fifteen seconds, insert the new key. and 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. Originate New Master Key (PK3 or PK3+ key) 1. Insert new key into ignition cylinder and turn it to the ON (RUN) position., 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..., Christopher answered 3 years ago. I replace the thermostat the old one was bad but it still says engine hot AC off with the engine light on. 28 people found this helpful. Mark helpful. 340. Forever25k answered 3 years ago. It keeps telling me the same thing after driving for about 10 minutes "turn a/c off, engine hot" even though the engine is ..., Engine Hot Ac off Sensor. If your car's engine is running hot, one of the first things you'll see on the dash is the "hot" light come on. This indicates that the engine temperature is too high and that something needs to be done to fix it. One possible cause of this problem is a faulty engine coolant sensor., Sep 24, 2014 ... This is how I fixed my 2011 Chevy Cruze with error: "AC Off Due to High Engine Temp" I bought my temperature sensors here: ..., My 2012 Acadia has Engine Hot AC Off message and fan engaging loudly upon start up. This happened last night when leaving my daughter's home. About half way home 10 minutes in the engine light came on. The temperature gauge stays at 160 the entire time. Is this a thermostat issue and if so, will it cause damage if I drive local until finding a ..., The AC's compressor is run off the engine, and the extra load could be what's causing it to run hotter. If you find that the air conditioner always raises the engine's temperature, you may have a larger mechanical issue that will need to be repaired. Hit the Fan. This part may not be comfortable, but it will certainly help your vehicle ..., Here are the most common reasons why your car heater isn't blowing hot air. Low coolant: Whether caused by a leak or water evaporation, low coolant is the most common source of poor heater output. Thermostat: A stuck-open thermostat prevents the engine (and coolant) from heating up. Heater core: A clogged heater core restricts coolant flow ..., Trane AC model numbers have nine identifying letters and numbers, with each place in the line signifying a specific piece of information. For example, the first spot in the model n..., Replacement. Radiator, 2.5L Engine, Aluminum Core, Plastic Tank. Part Number: P13047. Vehicle Info Required to Guarantee Fit. $80.49. 0. Add to Cart. Product Details. Core Dimensions : 17.69 x 27.06 x 0.63 in. Core Size Automatic Transmission Cooler : Without Transmission Cooler Engine Oil Cooler : Without Engine Oil Cooler., 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 ..., Ok got in my 2010 Traverse yesterday. 47210 miles. Started and cranked up a/c back out of driveway a/c was cold as usual. Get out of driveway and about half mile down the road. Air got hot and looked at the dash and the DIC said engine hot a/c off. Temperature did not even move of 160. Turned around and when I shut motor of the fans stayed ..., 2687 posts · Joined 2009. #3 · Aug 29, 2012. X2!! 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 Wideband O2, Frozen Boost Type 101 HX & Flex-A-Lite 45321 HX, KDI ..., 2007 engine hot/ac off. Shut the truck off get out check the engine, hoses are warm engine is warm coolant surge tank has coolant and is not venting. So engine is not overheating. Go to start truck will not start. I am thinking the ECM could not read a temp so went to fail safe mode that will not let it start., Request Appointment. Warning light reading ENGINE HOT A/C OFF. 1 person has answered this. 08 denali xl engine stalls after drive approx. hour cranks but wont fire. 1 person has answered this. Just replaced both head gaskets about a week ago car has been running fine got in my car last night went about a mile down the road in the warning ..., 1) Faulty Engine Control Unit. Although rare, the Engine Control Module (ECM) may act up and cause false temperature gauge readings. If the ECM can't detect a change in the voltage signal from the sensors due to damage, it can't effectively control the dashboard temperature gauge or the radiator fan., 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 ..., Next, inspect the engine oil. The oil should be neither too dirty nor overly diluted. If the compressed oil is unable to lubricate the engine, it’s bound to overheat. So check the oil levels and the viscosity. Top it off or replace if necessary, depending on what the state of the oil is., I’ve had this issues with my 2008 Equinox for over a year and it was because i used a 180° thermostat. The computer wants to see the temp get to 195° after a specific amount of time. If it doesn’t see the right temp it says “engine hot” and turns off the ac as well as the coolant temp gauge dropping to 0. It took me a very long time ..., 2007 engine hot/ac off. Shut the truck off get out check the engine, hoses are warm engine is warm coolant surge tank has coolant and is not venting. So engine is not overheating. Go to start truck will not start. I am thinking the ECM could not read a temp so went to fail safe mode that will not let it start., When your car’s AC is off and shows a message mentioning that the “ engine hot AC off ”, it does mean that your AC’s cooling fan is malfunctioning, and the …