1992 Chevy Lumina engine starts but when put on drive it sh

1992 CHEVROLET LUMINA
115,254 MILES • 6 CYL • FWD • AUTOMATIC
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MARK PEREZ
  • MEMBER
  • 2 POSTS
replaced the coils new spark plug wires and plugs and still the same when u drive it backfires then shts off
Jan 13, 2008 at 2:25 PM
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2CARPRO JACK
  • CAR REPAIR CONTRIBUTOR
  • 11,533 POSTS
Try loosening the exhaust before the cat converters and try driving it, may be plugged exhaust
Jan 15, 2008 at 2:37 PM
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