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1999 Chevy Suburban Service engine soon Light

Tiny
SPEEDY22306
  • MEMBER
  • 1999 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 141,000 MILES
My service engine soon light came on a week ago so I hooked the OBD 2 up to it and it read P0430 Catalyst Efficiency Below Threshold (Bank 2)! Can you give some ideas how to fix this problem
Friday, April 25th, 2008 AT 10:50 PM

1 Reply

Tiny
BUZZSAW
  • MECHANIC
  • 1,198 POSTS
Do you have two catalitic converters or just one?

The cats bad
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Saturday, April 26th, 2008 AT 1:42 AM

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