What is your question?
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What is your question?
my coolant fan wont run unless the ac button is on and the check engine light is not on. i am losing coolant out the overflow valve at 200 degrees. i have allready replaced the relays the thermastat, thermal indicator, water pump and now the ecm. what have i not checked. the fan will also run if i unplug the thermal indicator and run a wire to loop its signal back to the computer but it causes the idling to go crazy. any ideas? im running outta cash and patience! please help...

1 Reply
I think it's time to let a pro take over. Replacing parts is not the way to an economical repair unless you do a diagnosis first. That's where the expert earns his money. If you want to find a specialist, here's a directory link for you: https://repairpal.com/pontiac-repair-in-mount-carmel-tennessee