1997 GMC Sierra Idle/running problem

1997 GMC SIERRA
85,996 MILES • V8 • 2WD • AUTOMATIC
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MJSTRONG
  • MEMBER
  • 2 POSTS
Need some information, could someone give me a description on how a bad or clogged cat converter would make a vehicle run. Thanks. Marc SAFB, TX
Jan 24, 2008 at 8:13 AM
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BLACKOP555
  • ✓ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
Poor acceleration and high speed running. also will start good then start bogging down when warming up.
Jan 24, 2008 at 11:22 AM
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