Catalytic Convertor

1987 CHEVROLET CAPRICE
162,000 MILES • V8
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GENERAL
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  • 1 POST
what effect will a bad catalytic convertor have on engine performance
Jan 31, 2011 at 1:47 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
if it's blocked it will cause it to be slow and not perform as well. checkenginevacuum an difit'slow-15"or less @ idle, then disconnect it and see if itgoes up. if it does then teh converter is partially blocked or blocked.
Jan 31, 2011 at 3:46 PM
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