Question about 1999 Pontiac Grand Prix
99 Pontiac Grand Prix 3.8 V6 171,000 miles:Error code 118- Coolant temperature switch. I bought one at parts store,how and where on the vehicle do I replace it? I'm hoping it might be cheap fix to the intermittent starting problems I'm having
I also added some EFI cleaner to gas tank
I also bought a fuel filter that I'm told should be replaced on fuel line somewhere near rear of vehicle but not in fuel pump/gas tank
Any comments on any or all of these three possible solutions to error code 118 as mentioned above
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Posted on Jan 02, 2017
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