Having problems with your 1998 GMC Jimmy ?
1998 GMC Jimmy losing power when going up hills
\015 It drives fine through out the city but once I get onto the highway or go up a long hill the power bogs down and the check engine light comes on. When this happens I need to shift down and increase the rpm's to get over the hill.\015
Repair Help & Product Troubleshooting for 1998 GMC Jimmy
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.