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1999 Mercury Grand Marquis Problems

Find the most common issues based on car owner complaints

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Most Common 1999 Mercury Grand Marquis Problems

The 1996-2001 Mercury Grand Marquis with a 100% plastic intake manifold  is known for engine overheating, even with normal use, and a coolant leak from the front of the manifold.
A spring in the seat belt buckle may wear or fail, causing the airbag light on the instrument panel to illuminate.
Transmission problems are common in this model, often as a result of a failed front pump.
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3 Known 1999 Mercury Grand Marquis Drive Train Problems

4 Known 1999 Mercury Grand Marquis Electrical & Lights Problems

9 Known 1999 Mercury Grand Marquis Engine Problems

1 Known 1999 Mercury Grand Marquis Exhaust & Emissions Problem

2 Known 1999 Mercury Grand Marquis Suspension & Steering Problems

19 Known 1999 Mercury Grand Marquis Problems

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