Having problems with your 2003 Chevrolet Cavalier ?
Remedie po300 on 2003 chevy cavalier - 2003 Chevrolet Cavalier
It is a RANDOM MISFIRE.... Do a Tune Up
Repair Help & Product Troubleshooting for 2003 Chevrolet Cavalier
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.