2003 misfiring cylinders 1,2,3,6,7

Asked by Kirk Aug 01, 2017 at 01:02 PM about the 2003 Mercury Grand Marquis LS Ultimate

Question type: Maintenance & Repair

2003 Grand marquis ls idles rough and jerking while driving.

2 Answers
159,045

Bob answered 7 years ago

When were the spark plugs and coils last changed? How many miles?

Mark helpful

Your Answer:

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