Diagnostic trouble code P0420 may set on low mileage vehicles, or shortly after catalytic converter...
Chevrolet technical service bulletin 3316 for 2005 Chevrolet Cobalt.
- Bulletin number
- 3316
- Component
- Electrical system
- Summary
- Diagnostic trouble code p0420 may set on low mileage vehicles, or shortly after catalytic converter replacement. Tt
Owners of these vehicles have filed 323 complaints in the electrical category.
Vehicles covered
- Chevrolet Cobalt 2005 2005
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