Question about 2008 Chevrolet Chevrolet Equinox LT
My 2008 Chevy Equinox indicator says "Engine Hot, AC off" and the needle on the temp gage doesn't move from the bottom. The radiator fan stays on constantly while this message is displayed. The heat works fine, but there is no a/c. This ONLY happens in the winter and until now has only happened when I turn the heat on. I don't think my car is actually overheating, but what could be the problem?
Have the codes read, But I would replace the engine coolant sensor first..
Posted on Dec 02, 2014
Testimonial: "Changed the engine coolant sensor and thermostat. Only took about 2 hours and in the dark lol. It seems to be working now. Nothing is ever that easy for me though lol... So I am not gonna brag about it just yet. We will see what happens tomorrow."
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Posted on Jan 02, 2017
SOURCE: V6 2008 1/2 ton PU
160 is not high-thats below warmup temp--the fan sensor has issues etc Vehicle is not gettin to operation temp so hav it diagnosed for free at a parts place-fan motor may be goin bad
Posted on Nov 24, 2010
Hello: You may have a cooling fan(s) problem. Start the truck, turn the a/c on max, both fan and a/c control. Open hood the cooling fan(s) should be running. If not then you will need hands on trouble shooting. It could be fan(s) motor(s), relays, relay control, ie PCM, wiring, fuse etc. Systematic hands 0n trouble shooting will be needed with a upscale scan tool.
Posted on Jul 05, 2011
SOURCE: 2008 chevy malibu. When the
you are describing almost always means the thermostat... You need to
replace thermostat then have codes reset and it should be good.
It is likely to be leaking or stuck open. The rubber comes off them, and they leak.
Next time it happens, I would feel the radiator hose, to see if it is warm enough. If it is, then the ECT could be the culprit.
However here are some suggestions on troubleshooting and repairing a P0128 OBD-II code:
- Verify coolant strength & level
- Verify proper cooling fan operation (check if it's running more than it should). Replace if necessary.
- Verify proper engine coolant temperature (ECT) sensor operation, replace if necessary. Possible, but not most likely.
- Verify proper intake air temperature (IAT) sensor operation, replace if necessary.
If the above items check out good, replace the thermostat.
Posted on Aug 02, 2011
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.
Posted on Nov 16, 2009
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