1998 Chevy Tahoe

Tiny
LOLO
  • MEMBER
  • 1998 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 117,396 MILES
My 1998 Chevy Tahoe have the Check engine Light on. I used my Global OBD 2 code Scanner. The lecture said: Catalyst efficiency Low, Below threshold.
The Tahoe runs good. What the problem? Do I have to replace the catalyst comverter?
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Tuesday, May 20th, 2008 AT 7:05 PM

1 Reply

Tiny
MASTER TECH DAN
  • MEMBER
The code means that the cat is not doing its job so th o2s tell the comp. That there is a problem with the cat the emmissions are the only problem and your fuel economy
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Tuesday, May 20th, 2008 AT 7:18 PM

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