1998 Pontiac Firebird backfire thru intake, loss of power,

1998 PONTIAC FIREBIRD
104,171 MILES • V8 • 2WD • MANUAL
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SILVERHAWK1
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  • 2 POSTS
i have check wires, replace crankposition sensor, replaced bcm and pcm, new fuel pump, checked hoses.......what and or why am i still having these problems?
Jul 11, 2010 at 12:19 PM
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DOCFIXIT
  • CAR REPAIR CONTRIBUTOR
  • 18,828 POSTS
Have you checked compression?
Jul 11, 2010 at 2:17 PM
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SILVERHAWK1
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  • 2 POSTS
yes...its good
Jul 14, 2010 at 2:07 PM
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