2004 GMC Envoy "car thermostat stuck open symptoms" Questions

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Question about GMC Envoy

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...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 ...

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...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 ...

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Question about GMC Envoy

1 Answer

...thermostat is stuck closed. If it is hot, the thermostat may not be stuck close, but not opening at the proper temperature. Stuck open is annoying, but not dangerous. Stuck close is dangerous and can ...

...stuck open thermostat. With the thermostat stuck open the engine never gets warm, so it won't give good heat. It's not expensive to get a new one, and they are easy to replace, so take it in and have ...

Question about GMC Envoy

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...stuck thermostat for 2000 chev silverado If it's stuck closed, the truck will overheat in under 10 minutes, if it's stuck open, it won't reach operating temp, gauge would show it running a bit below ...

Question about GMC Envoy

1 Answer

thermostat. On highway the car doesn't get up to normal temp ranges, kick out adequate heat (Wisconsin) or come out of fast idle. In town it eventually gets there. Mechanic thinks coolant temp sensor,

...stuck open thermostat is that the air will blow somewhat warm but never hot in the winter time, but it will take a few miles for the air to warm up at all. I would check with the dealership and find ...

Question about GMC Envoy

1 Answer

car stated. so no real help. cracks leak AF and the level drops air in water jacks are overheat , for sure. check the rad level each dead cold, morning, at the filler neck on rad. if it's low each day

...thermostat is stuck open and needs to be replaced. I'm betting that if you let the car come up to temperature, and your heat is good, once you start driving the temp needle goes down and the heat ...

...car idles smoothly when cold, then when it gets warmed up it idles very low and i also notice my fuel consumption in the mornings after cold start is much more than when i drive the same distance in ...

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