Buick Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I prefer working afternoon till just after midnight.
Are there any warning lights on, if so can you get it scanned and tell me which codes are stored?
The fuel fill long crank concern is likely a EVAP system issue where as fuel is getting into the EVAP system and causing the engine to run rich. This can also cause a misfire as long as the vehicle is not in need of a tune up.
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Hello again Chris here,