Question about 1995 Buick Roadmaster

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2002 Buick Century 3.1L V6 hesitates to start

My buick starts fine first thing in the morning, but after i let it sit for awhile it cranks and starts and immedietly dies then won't start at all. if i wait 20-30 minutes then it starts, it does this at random throughout the day. i've put a new fuel pump, fuel filter, tune-up, crankshaft position sensor and tried an igition module. still have the problem.

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With everything you have done the only thing left is the MAF or Map sensor . This is what tells the computer the altitude and air density to know how to deliver fuel.. If its lying to the computer you will have drivability problems. A scanner will show this data.

Posted on Jul 20, 2009

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Your engine is starving for gasoline. check fuel ines.

Posted on Sep 18, 2009

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