Question about 1993 Pontiac Firebird
Check the coolant temperature sensor (not the sender). Check that connection is clean and good. If you have electric radiator fans do they engage when car is hot. If nor check the fuse and the relay unit connections (under the front by the left inside fender). If you suspect the relay run a positive wire from the battery positive terminal directly to the fan. If the fan runs check the voltage to the relay and the voltage from it when triggered. If the relay is OK wiggle the wires on the coolant sender.
Posted on Sep 16, 2010
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Posted on Jan 02, 2017
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