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2006 Mercury Grand Marquis Problems

Find the most common issues based on 2006 Mercury Grand Marquis owner complaints.

Most Common 2006 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. This will often tr...
Transmission problems are common in this model, often as a result of a failed front pump. The pump loses its ability to create hydraulic pressure, which an automatic transmission needs to function....
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.
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0 Known 2006 Mercury Grand Marquis Brakes Problems

1 Known 2006 Mercury Grand Marquis Drive Train Problem

Transmission problems are common in this model, often as a result of a failed front pump. The pump loses its ability to create hydraulic pressure, which an automatic transmission needs to function....

3 Known 2006 Mercury Grand Marquis Electrical & Lights Problems

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.
The battery light may illuminate on the instrument panel because the alternator wire harness connector is damaged. A new connector kit is available and should be installed to correct this concern.

4 Known 2006 Mercury Grand Marquis Engine 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. This will often tr...
The throttle position sensor (TPS) may fail. Common symptoms of a defective TPS can be rough idle, hard starting, hesitation on acceleration, poor fuel economy, and stalling.
If you experience difficulty starting the engine when cold, stalling at idle, or hesitations during acceleration, it may be the idle air bypass valve. This valve helps the vehicle idle steady when ...

0 Known 2006 Mercury Grand Marquis Exhaust & Emissions Problems

0 Known 2006 Mercury Grand Marquis Heating & Air Conditioning Problems

0 Known 2006 Mercury Grand Marquis Maintenance Problems

0 Known 2006 Mercury Grand Marquis Miscellaneous Problems

0 Known 2006 Mercury Grand Marquis Suspension & Steering Problems

8
Known 2006 Mercury Grand Marquis Problems & Complaints

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. This will often tr...
Transmission problems are common in this model, often as a result of a failed front pump. The pump loses its ability to create hydraulic pressure, which an automatic transmission needs to function....
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.
The throttle position sensor (TPS) may fail. Common symptoms of a defective TPS can be rough idle, hard starting, hesitation on acceleration, poor fuel economy, and stalling.
If you experience difficulty starting the engine when cold, stalling at idle, or hesitations during acceleration, it may be the idle air bypass valve. This valve helps the vehicle idle steady when ...
The Mercury Grand Marquis 4.6L V8 engine is known for displaying the normal symptoms of a coolant leak, including overheating, especially when the vehicle is idling, the strong smell of coolant fro...
The battery light may illuminate on the instrument panel because the alternator wire harness connector is damaged. A new connector kit is available and should be installed to correct this concern.
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