Having problems with your 1998 Pontiac Grand Prix ?
Shift solenoid - 1998 Pontiac Grand Prix
Chances are it is the speed sensor located on the rear of trans has 2 wires going to it needs special tool to remove available at local part store
Repair Help & Product Troubleshooting for 1998 Pontiac Grand Prix
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.