Volkswagen Passat Problem Reports

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An ignition coil or spark plug may fail unexpectedly resulting in an engine misfire and possible illumination of the Check Engine Light. Vehicles equipped with spark plug wires may also develop a misfire caused by a failed spark plug wire.

The Check Engine Light may illuminate as a result of a oxygen sensor and coolant temperature sensor fail. Replacement if the failed part will be necessary to correct this issue.

Reverse gear failures and noise in the manual transmission models are common.

Clogged drains can allow rainwater to accumulate in the plenum tray (at the base of the windshield). The water may leak into the vehicle's interior, brake booster, or electrical components, which can lead to major problems. Our technicians recommend keeping the tray clear of leaves, pine needles, and other debris.

The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.

Shifting issues due to internal problems in high mileage automatic transmissions can be difficult to resolve without transmission replacement.

To ensure longevity of the engine, our technicians recommend to follow the maintenance schedule for the timing belt.

Cars using biofuel typically have problems with injection pump failures; symptoms can include a "no start" condition or external pump leaks.

Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.

The digital display portion of the instrument cluster may fail. Our technicians tell us the entire instrument cluster will need to be replaced to correct this concern.

The parking brake may not operate correctly. The correction involves addressing any stored anti-lock brake system (ABS) fault codes, replacing the rear brake pads if required, and following the basic settings procedure as per the scan tool. Our technicians tell us these procedures must be performed in the correct order for the parking brake to function correctly.

Poor drivability symptoms—including hard starting—can be caused by coolant temperature sensor and oxygen sensor faults.

Extensive transmission damage can occur in some of the automatic transmission models when the transmission oil cooler fails and allows coolant to mix with the automatic transmission fluid.

Poor drivability symptoms—including hard starting—can be caused by coolant temperature sensor and oxygen sensor faults.