1998 OLDSMOBILE INTRIGUE

  • Tiny
  • louie vazquez
  • 1998 Oldsmobile Intrigue

Engine Mechanical problem
1998 Oldsmobile Intrigue 6 cyl Front Wheel Drive Automatic

what does Catalyst system efficiency below threshold bank 1 mean how can I take care of it

Friday, February 26th, 2010 AT 4:49 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

Chances are either you have a bad O2 sensor or the catylatic converter itself is bad. I would say have the O2 sensor checked first.

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Tuesday, April 13th, 2010 AT 10:26 AM

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