engine misfire

2002 GMC SAFARI
91,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BAREFOOT50
  • MEMBER
  • 7 POSTS
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 5:47 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Has fuel pressure been checked?
Jul 29, 2011 at 8:22 AM
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BAREFOOT50
  • MEMBER
  • 7 POSTS
NO IT HAS NOT,BUT FUEL PUMP HAS BEEN REPLACED
Jul 29, 2011 at 11:07 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
So what happened
Aug 10, 2011 at 2:04 PM
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