engine misfire

2002 GMC SAFARI
91,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BAREFOOT50
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when i accelerate hard the engine misfires and almost shuts off.when i accelerate easy it runs fine has new tps,wires cap, plugs,rotor distributor
Jul 29, 2011 at 12:47 PM
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DOCFIXIT
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Has fuel pressure been checked?
Jul 29, 2011 at 3:22 PM
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BAREFOOT50
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NO IT HAS NOT,BUT FUEL PUMP HAS BEEN REPLACED
Jul 29, 2011 at 6:07 PM
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DOCFIXIT
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So what happened
Aug 10, 2011 at 9:04 PM