idles rough

Asked by May 28, 2008 at 08:20 PM about the 1997 Mercury Mystique 4 Dr GS Sedan

Question type: Maintenance & Repair

2 Answers


You probably have a vacuum leak, either the pcv hose from the intake, or even an egr valve gasket gone bad. A shop with a smoke machine can find vacuum leaks.


I don't know if the 97 has the same idles setting as the 98 but i already went to 2 different shop and they told me for this car it is normal.

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