Having problems with your GMC Sonoma ?
Gmc sonoma service engine soon light keeps coming on when truck is ran hard
Check codes...O2 sensor
Repair Help & Product Troubleshooting for GMC Sonoma
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.