Coolant Temp Sensor

[gbrtng]

Originally Posted by herc795

Thanks, I will get the Marc's chip. Another thing is that the primary relay sounds like a rattle snake when the fan is operating. The primary fan works intermittently. Seems like might be a wiring issue.

Swap the two fan relays - does the noise follow the relay? If yes, replace the relay. If no, the problem is upstream of the relay - might be wiring, but a look at the wiring diagram in the FSM is your next step.