loss of power

1992 OLDSMOBILE 88
120,000 MILES
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EDWARDGARDNER
  • MEMBER
  • 2 POSTS
engine idles fine but as soon i start to depress accelorator pedal engine boggs down and losses all power and sounds like its back firing into intake manifold
Sep 16, 2012 at 12:04 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
check fuel pressure.
check back pressure on cat converter.

Roy
Sep 16, 2012 at 12:09 PM
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EDWARDGARDNER
  • MEMBER
  • 2 POSTS
tried that still no change
Sep 16, 2012 at 7:10 PM
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