1999 Buick Regal hesitates

1999 BUICK REGAL
160,000 MILES • 6 CYL • FWD • AUTOMATIC
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69CAM66C10
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  • 1 POST
HOT OR COLD ENGINE... IT HESITATES WHEN I ACCELERATE. NEW TUNE-UP,NEW FUEL-PUMP LAST YEAR. NO CHECK ENGINE LITE ON...
Sep 23, 2010 at 11:20 AM
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RASMATAZ
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Check the fuel pressure and test the throttle position and manifold absolute pressure sensors-beware there's other causes that can caused hesistation
Sep 23, 2010 at 5:52 PM