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Why do my catalytic converter gets cherry red hot

Tiny
YONKERSNY10701
  • MEMBER
  • 1996 MERCURY MARQUIS
  • 112,000 MILES
Changed the intake manifold
Friday, April 6th, 2012 AT 2:00 AM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Either late timing or you have a missfire that is pouring fuel into the cat.

Roy
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Friday, April 6th, 2012 AT 2:02 AM
Tiny
DJCL
  • MECHANIC
  • 767 POSTS
To much fuel getting dumped in to the cat is a shore way to wipe out the cat. You must find the reason fore the rich running problem or you will need a cat. There not cheap.
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Friday, April 6th, 2012 AT 2:35 AM

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