THE CATALYTIC CONVERTERS 2 HAVE BEEN REMOVED ...

  • Tiny
  • Anonymous
  • 1990 Pontiac Firebird
  • 75,000 miles

The catalytic converters (2) have been removed, emptied, and welded back in on my 1990 firebird/gta trans am with the TPI / 350. Ever since, the car runs bogged down and idles hard and high. I think its due to the change in back pressure.
First, should I put new converters on? Is the computer programmed to run specifically with both converters?
Second, if I keep them like they are, what needs to be done to fix? Can I remove EGR or will that help or hinder?
I think it is best to have the exhaust system with all its parts. But I am one of those "NO n-rigging" folks!


Tuesday, March 19th, 2013 AT 3:15 PM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,582 posts

You shouldn't be removing anything which, by the way, is a 25,000 fine.
Put the converters back on and see what you have then.

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Tuesday, March 19th, 2013 AT 3:36 PM

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