1999 Chevy Suburban Service engine soon Light

1999 CHEVROLET SUBURBAN
141,000 MILES • V8 • 4WD • AUTOMATIC
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SPEEDY22306
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  • 1 POST
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
Apr 25, 2008 at 3:50 PM
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BUZZSAW
  • ✓Experienced Mechanic
  • 1,198 POSTS
[quote:b309a5bfa0="speedy22306"]Computer problem
1999 Chevy Suburban V8 Four Wheel Drive Automatic 141000 miles
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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[/quote:b309a5bfa0]

do you have two catalitic converters or just one?

the cats bad
Apr 25, 2008 at 6:42 PM
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