Having problems with your 1991 Mercury Grand Marquis ?

Engine idiles high and stalls when stoped every now and then

Posted / edited by AnonymousUser on : 10-08-2020

Answers :

Sounds like a sticking EGR valve or partially open, try removing vacumm hose at valve and plug vacumm line, if no results remove valve and make a gasket of a soda can to match outter edge but no center holes install if fixes you need a new EGR valve
Repair Help & Product Troubleshooting for 1991 Mercury Grand Marquis

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.

Suggested Questions/Answers :

Loading ...

  • Start your question with What, Why, How, When, etc. and end with a "?"
  • Be clear and specific
  • Use proper spelling and grammar
all rights reserved to the respective owners || carrestorationshop.com || Terms of Use || Contact || Privacy Policy
Load time: 0.0083 seconds