Thread: Temperature guage incorrect

Ive allrdy changed the temp sensor allrdy still no luck...Hell i dont know really what to try next.

If something is clogged, You should test for flow. By opening the radiator cap and let the thermostat. Once its open there is flow. While the radiator cap is open might as well burp air out of the coolant system. There might be air or a clogged in the system and that could also be the issues your seeing. You need to test flow and burp any air out if the system. If you got no flow then there something wrong with the water pump or a clogged. Air...

My next guess would be the temp sensor. I have one from an '06 which is the same part # as the '08. $10 plus shipping if you're interested.

if its not tstat, not sensor, and as above checking ecu ... that leaves either something being clogged, or water pump? somethings causing the descrepancy

Quote: Originally Posted by LonelyRR Are you testing the coolant temp? or aiming to gun on the radiator ? +1... Exactly what temp are you reading? The temp of your coolant overflow reservoir? LOL It's probably not broken unless it doesn't turn on or reads the same figure all the time.

Depending on where the ECT sensor is (i don't know) the temperature may vary alot. It should be the hottest at the thermostat housing and the coolest at the radiator near the lower hose.

if you've replaced the sensor aleady, check the voltages to make sure that the ECU is sending the correct input voltage as well as to make sure the ECT Sensor is responding to temperature fluctuations within range.