Problems for specific Mercury Grand Marquis years:
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2005 Mercury Grand Marquis Problems
Airbag Light Due to Failed Spring in Seat Belt Buckle
A spring in the seat belt buckle may wear or fail, causing the airbag light on the instrument panel to illuminate. Failed buckles will require replacement.
13 Reports
Malfunctioning Headlights
The car had 64600 miles on it and the headlights started going out while driving, which can be very dangerous. The problem is in the Light Control Module which is an expensive part (around $500 to $600 + labor).
5 Reports
Check Engine Light Due to Failed Oxygen Sensor
One or more oxygen sensors may fail resulting in illumination of the Check Engine Light.
1 Report
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