starting cold, indicator shows "engine hot A/C off".

Asked by royt Feb 01, 2014 at 11:52 AM about the 2007 Chevrolet Equinox LT FWD

Question type: Maintenance & Repair

temp gage is at "0" when engine is cold or after driving. fan is running constantly.  heater works good.  no leaks and coolant looks OK

6 Answers

150

My 2008 Chevy equinox said engine hot ac off , the very first time this happened I replaced it it was fine for two years , this time it did it again only to replace it and behold it did it again , engine hot ac off , this time I used my obd reader to clear the codes only for it to happen again and Everytime I do this the temperature gauge and ac works perfectly , I'm guessing to change the pigtail to the sensor to see if it works , I hope this helps someone

10 people found this helpful.
10

The midsize 2009 Equinox offers the cargo capacity and seating flexibility of an SUV with the handling of a sedan, leading Chevrolet to dub the SUV its first crossover vehicle. With five trims to choose from, front-wheel- or all-wheel-drive capabilities, and dimensions that exceed those of its closest competitors, the 2009 Equinox rightly attracts families needing an affordable SUV. The Equinox is set for a redesign in 2010, so it sees minimal additions for '09. Bluetooth is now standard across the line, and three new exterior colors join the list. Most important is the addition of side head curtain airbags with rollover sensors, boosting the Equinox's already high safety ratings. With traction and stability control, ABS brakes, dual front- side airbags, anti-sway control, and OnStar, the crossover wins five stars in all NHTSA categories except for rollovers, where it earns four stars. Standard for the LS, LT, and luxury LTZ trims is a 3.4-liter V6. Paired with a 5-speed automatic, it puts out 185 hp and 210 lb-ft of torque, with 17/24 mpg. The Sport trim features a sport-tuned suspension, distinctive front and rear designs, a lower ride height, and alloy wheels. It also carries a stronger and louder 3.6-liter, 264-hp V6 and 6-speed automatic that achieve 16/24 mpg. Some professional reviews feel the larger V6 is too loud and unrefined and prefer the non-Sport trims. Handling in the Sport can feel vague and imprecise, and the stiffer suspension picks out all the bumps in the road. Acceleration is quick and responsive, but the wide turning radius impedes city maneuverability, and the thick rear pillars can obstruct rear visibility. The 2009 Equinox shines on the inside. The Equinox is longer than the Ford Escape and Toyota RAV4 and also taller, so it offers plenty of head and legroom to accommodate passengers over 6 feet tall. The rear seats slide forward and back 8 inches to allow for extra leg or storage room. They split 60/40, but do not fold completely flat. The front passenger seat also folds down to hold longer objects. A roof rack is standard on all trims but the Sport, and the cargo area expands from 35 to 69 cubic feet. Oddly, the Equinox lacks adequate interior storage compartments. A capable family vehicle praised for its interior capacity, the 2009 Equinox lacks the refinement of the RAV4 and even the Hyundai Tucson. The crossover is set to receive an update for 2010, which may make it a more viable domestic alternative to its more popular competitors. CarGurus CG Logo Published May 31, 2022 by CarGurus Editorial Team While we highlight specific author bylines where possible, sometimes our content results from the combined efforts of several members of the CarGurus editorial team. As with all our editorial content, you can expect high levels of automotive insight and expertise delivered in a style that is approachable and free from jargon. Show more User reviews Write a review Filter by average rating (7) (2) (1) (0) (1) Newest to Oldest by Breelee165 I have a 2009 Chevy equinox when I first got it I had to replace the head gaskets the serpentine belt and do a transmission flush on it recently I had to replace the EVAP sensor and the temperature coolant sensor and the thermostat worked fine for a month then the temperature coolant sensor blue again so I had it replaced and within 24 hours the temperature sensor blue again I cant figure out what is going on my radiator is not clogged I replaced the coolant lid my fans are running and my temperature gauge is reading zero and the car says engine hot turn AC off so I am at a loss here Im not losing coolant theres no leaks in any of the hoses the water pump is fine I dont know what is causing this sensor to blow. The fans immediately kick on and the gauge is reading 0 . I flushed the coolent every time I had the part replaced. Please help! Im stressed out to the max with this issue. I dont think this has anything to do with it but the second time the coolant temperature sensor went right before that on the same day my back windshield wiper motor was humming really bad because that stopped working 2 months prior so I am plugged the motor to the windshield wiper and that stopped and the next time I started the car that day that second sensor blue now Im on my third one. Its being replaced now. did u ever figure out what your issue was? I'm having the same problem

1 people found this helpful.
10

by Breelee165 I have a 2009 Chevy equinox when I first got it I had to replace the head gaskets the serpentine belt and do a transmission flush on it recently I had to replace the EVAP sensor and the temperature coolant sensor and the thermostat worked fine for a month then the temperature coolant sensor blue again so I had it replaced and within 24 hours the temperature sensor blue again I cant figure out what is going on my radiator is not clogged I replaced the coolant lid my fans are running and my temperature gauge is reading zero and the car says engine hot turn AC off so I am at a loss here Im not losing coolant theres no leaks in any of the hoses the water pump is fine I dont know what is causing this sensor to blow. The fans immediately kick on and the gauge is reading 0 . I flushed the coolent every time I had the part replaced. Please help! Im stressed out to the max with this issue. I dont think this has anything to do with it but the second time the coolant temperature sensor went right before that on the same day my back windshield wiper motor was humming really bad because that stopped working 2 months prior so I am plugged the motor to the windshield wiper and that stopped and the next time I started the car that day that second sensor blue now Im on my third one. Its being replaced now

10

by Breelee165 I have a 2009 Chevy equinox when I first got it I had to replace the head gaskets the serpentine belt and do a transmission flush on it recently I had to replace the EVAP sensor and the temperature coolant sensor and the thermostat worked fine for a month then the temperature coolant sensor blue again so I had it replaced and within 24 hours the temperature sensor blue again I cant figure out what is going on my radiator is not clogged I replaced the coolant lid my fans are running and my temperature gauge is reading zero and the car says engine hot turn AC off so I am at a loss here Im not losing coolant theres no leaks in any of the hoses the water pump is fine I dont know what is causing this sensor to blow. The fans immediately kick on and the gauge is reading 0 . I flushed the coolent every time I had the part replaced. Please help! Im stressed out to the max with this issue. I dont think this has anything to do with it but the second time the coolant temperature sensor went right before that on the same day my back windshield wiper motor was humming really bad because that stopped working 2 months prior so I am plugged the motor to the windshield wiper and that stopped and the next time I started the car that day that second sensor blue now Im on my third one. Its being replaced now

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This thread is 9 years old. Please start a new one so everyone can see it. Jim

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