Having problems with your 1990 Buick LeSabre ?
1990 LeSabre Power loss with AC on. Within a Half hour withthe AC on the car starts loosing power, bad miss or fuel flow, and gets gradually worse. The further you step on the accelerator the worse it gets and the engine will shut down. After turning the AC off and restarting it runs normally.
Remove battery cables and clean all three of the connections & replace bolts.
Repair Help & Product Troubleshooting for 1990 Buick LeSabre
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.