Having problems with your 1990 Jeep Wrangler ?
What are symptoms if cylinder is not firing from loose spark plug wire
Repair Help & Product Troubleshooting for 1990 Jeep Wrangler
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.