Mercury Grand Marquis
engine Problems
We don't have a lot of Mercury Grand Marquis engine problems on file — feel free to add yours here. The most common Grand Marquis engine problems cost $2,100 to fix & occur at 81,000 miles.
The worst model years for engine problems are the 1997 Grand Marquis, 2000 Grand Marquis, and the 1999 Grand Marquis.
Worst Mercury Grand Marquis Engine Problems
-
#1: Intake Manifold Failure 1997 Grand Marquis
- Average Cost to Fix:
- $1,700
- Average Mileage:
- 76,000 mi
-
#2: Valve Dropped Through Engine 2007 Grand Marquis
- Average Cost to Fix:
- $3,300
- Average Mileage:
- 76,000 mi
-
#3: Plastic Intake Manifold Cracks 1998 Grand Marquis
- Average Cost to Fix:
- $1,200
- Average Mileage:
- 91,000 mi