1999 Chevy Suburban Service engine soon Light

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

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Friday, April 25th, 2008 AT 10:50 PM

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BUZZSAW

CERTIFIED MECHANIC
1,198 POSTS

Do you have two catalitic converters or just one?

The cats bad

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