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- Wed Sep 06, 2006 11:12 am
- Forum: Problems & Warranty Issues
- Topic: DTC P0420 - No Driveability Issues
- Replies: 93
- Views: 69196
To start I have a 2003 Vibe GT with 87k miles. Ok here is the solution you all have been wanting. The P0420 code signals that: A. You may have a misfire. B. You may have a vac problem. C. You may have a bad Cat. or D. You may have oil leaking into your Cat.Solution: Cheapest to most costly: First ch...