1992 Mercury Marquis Repair Question
Topics covered: Vacuum leak.
Mileage: No information provided.
Mileage: No information provided.
Asked on March 4, 2011
Car problems
I have a 1992 mercury grand marquis 4.6 v8 and my car drives good but when u stop at a traffic light it doesnt idle it just shuts off. need to know whats wrong
Asked by 92 grand marAnswer
Replied on March 4, 2011
look for vacuum leaks or possibly a malfunctioning IAC vavle.
Replied on March 4, 2011
Also run a scan, not all faults will set a MIL.
Mark (mhpautos)
