1996 Pontiac Firebird Formula 5 7 Ltr Lt1 Start Car Will Idle U Push Gas

1996 PONTIAC FIREBIRD
136,000 MILES
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JC1769
  • MEMBER
  • 2 POSTS
i have a 1996 pontiac firebird formula with the 5.7 ltr lt1. when i start the car it will idle but when u push the gas it will backfire and die what is the problem
Feb 17, 2013 at 3:32 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
There could be a number of things wrong. Is the check engine light on? Have you checked fuel pump pressure? Have you checked the catalytic converter to make sure it isn't plugged?
Feb 17, 2013 at 3:34 PM
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JC1769
  • MEMBER
  • 2 POSTS
what should the fuel pump pressure be reading
Feb 17, 2013 at 4:17 PM
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