2007 MERCURY GRAND MARQUIS SPEED CONTROL
Describe all symptoms in detail.
Try to answer as many of the following questions as possible:
- Do the symptoms happen when the vehicle is cold or warm?
- Does the problem happen while you are driving?
- Does the problem occur all the time or just once in a while?
- When did you first notice it?
- Are any other warning lights on?
The more details you prove the better.
Submitted by GOLDMAN on Jan 4, 2019.