Having problems with your 2005 Chevrolet Cobalt ?
Tps sensor code, map code and engine power reduced light. then no power with that
Cant be for sure by the vague description you wrote, but it looks to me it might be the catalytic converter.
Repair Help & Product Troubleshooting for 2005 Chevrolet Cobalt
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.