Having problems with your 1994 Mercury Cougar ?
What causes my 1993 Mercury Cougar to idle too high? RPM are idling too high.
Throttle position sensor may be at fault or the throttle body may need cleaning. If so equiped, the egr valve could be at fault.
Repair Help & Product Troubleshooting for 1994 Mercury Cougar
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.