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Old 12-21-2005, 06:52 AM
GunnerMac GunnerMac is offline
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Re: Thromostat / temp sensor

Quote:
Originally Posted by Milocka
does anyone know where the "coolant temperature sensor" is on an 02 Trailblazer? Code P0128 is in my OBD-II, and it means the temperature sensor is measuring coolant temperature below what the thermostat is regulating. Looks like i need a new temp sensor... I bought a new thermostat just in case that does not fix it, but the thermo is burried behind the power steering pump (BTW... THANKS GM!)

Where is the coolant sensor?

Thanks!
Sorry, have no answers for you as I may have a similar problem. Was wondering why my 02 TB was not really heating up. This AM, it only got up to about 160 degrees while driving on I95 and the Check Engine Light eventually cam on. Noticed the heater was not blowing really hot for the past few days. Haven't had a chance to look into it yet - don't know if it is the thermostat or some sensor?
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