Pontiac Grand Am Questions Maintenance & Repair
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Runs rich when trying to idle,
won't idle and scanner shows it wants injectors open way to long at idle, what controls this?
The light was on when I picked my car up from the shop where they put a new gas tank, fuel pump and sending unit on my car. They also cleaned the engine to try and determine where my car was drippi...
Only code says that TPS reference signal is high,it had indicated a low ref. signal so replaced it now reads as high,also checked coolant temp ,yellow and black wire still no change.
I replaced fuel filter so far. Check engine light ces on at 60 mph.
the button for the AC is off in the car, but the compressor kicks on under the hood.If AC is disconnected I get hotter air.
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