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Newest reported Mercury problems

 

Verified for the Mercury Grand Marquis

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.

28 Reports
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Verified for the Mercury Mariner

Coolant may start leaking from the coolant reservoir bottle. The coolant reservoir should be replaced.

1 Report
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Verified for the Mercury Mountaineer

A coolant leak may develop from the radiator. Ford has released and updated radiator and powertrain control module (PCM) software update to address this issue. The software update includes revised cooling fan operating parameters. Failure to complete both service procedures may result in repeated radiator failures.

10 Reports
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Verified for the Mercury Grand Marquis

The alternator may get too hot, causing premature bearing failure.

1 Report
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Verified for the Mercury Montego

The automatic transmission may develop shifting concerns. On lower mileage vehicles, upgrading the software in the powertrain control module (PCM) and the transmission control module (TCM) may correct the problem. As the mileage increases, internal transmission damage can occur. Repairs could involve replacement of the valve body or a complete transmission rebuild. Whenever major transmission repairs are made, it is important to be sure the PCM and the TCM have the latest software updates to help prevent these issues from reoccurring.

38 Reports
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Verified for the Mercury Milan

The automatic transmission may develop shifting concerns. On lower mileage vehicles, upgrading the software in the powertrain control module (PCM) and the transmission control module (TCM) may correct the problem. As the mileage increases, internal transmission damage can occur. Repairs could involve replacement of the valve body or a complete transmission rebuild. Whenever major transmission repairs are made, it is important to be sure the PCM and the TCM have the latest software updates to help prevent these issues from reoccurring.

27 Reports
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Verified for the Mercury Mountaineer

A failed heater blend door or actuator can cause the temperature control for the HVAC system to stop working. A clicking sound from the dash area would commonly indicate an actuator fault. If the heater gets stuck on the hottest setting, the heater blend door may be broken requiring replacement of the heater box to repair the issue.

59 Reports
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Verified for the Mercury Tracer

An external Engine oil leak may develop from the distributor O-ring seal. A new O-ring seal will be needed to correct this leak.

10 Reports
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Verified for the Mercury Sable

The magnet for the camshaft position sensor may fall out of its mount and damage the synchronizers. This causes long crank times when starting the engine and may cause the Check Engine Light to illuminate. If this happens, both the magnets and the synchronizers need to be replaced.

19 Reports
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Verified for the Mercury Mountaineer

The rear wiper may stop working. This could be due to a rear wiper motor that has failed requiring replacement.

28 Reports
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Verified for the Mercury Tracer

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 accelerator pedal is not pressed.

3 Reports
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Verified for the Mercury Mystique

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 accelerator pedal is not pressed.

7 Reports
Me Too

Verified for the Mercury Grand Marquis

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 accelerator pedal is not pressed.

7 Reports
Me Too

Verified for the Mercury Cougar

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 accelerator pedal is not pressed.

1 Report
Me Too

Verified for the Mercury Sable

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 accelerator pedal is not pressed.

20 Reports
Me Too
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