1999 Mercury Grand Marquis
Worst 1999 Grand Marquis engine Problems
Click on a problem below to read more.
- cracked intake manifold3
- coil pack problems1
- NHTSA: Engine And Engine Cooling11
- NHTSA: Vehicle Speed Control8
- NHTSA: Engine And Engine Cooling: Engine5
- NHTSA: Engine3
- NHTSA: Engine And Engine Cooling: Engine: Gasoline2
- NHTSA: Vehicle Speed Control: Cruise Control2
- NHTSA: Vehicle Speed Control: Cables1
- NHTSA: Vehicle Speed Control: Linkages1
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Check out our Mercury Grand Marquis overview to see the most problematic years, worst problems and most recently reported complaints with the Grand Marquis.