Did you check or replace the coolant temp sensor? If not and you have a digital volt ohm meter we can check it to see if it is bad.

Answered by racefan966 (expert)
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No I did not check the coolant temp sensor and yes I do have a digital volt meter.

Answered by nhemphill
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Ok if you would when the engine is cold unplug and ohm the coolant sensor then also ohm the air charge temp sensor. Get back to me with the readings and the air temp too.

Answered by racefan966 (expert)
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Not to sound in educated, but where would the coolant temp sensor and air temp sensor be located? I have a pretty good idea but want to be sure. The coolant temp sensor is right beside where the upper radiator hose goes into the watt pump and air temp is located after the mass air flow in the intake system?

Answered by nhemphill
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Which engine do you have?

Answered by racefan966 (expert)
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5.4 L

Answered by nhemphill
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Here is a pic of sensor locations.

Answered by racefan966 (expert)
4,872 answers provided