2001 Audi A4 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2001 Audi A4
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2001 Audi A4 ProblemsEngine Oil LeaksEngine Misfire Due to Failed Ignition Coil, Spark Plug, or Ignition Wire
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.
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.
2001 Audi A4 QuestionsEngine light stays on (1 answer)
I took my car to the repair shop to find out why my car was leaking so much oil. The repair shop informed it could possibly be oil cooler went out due to the oil was circulating into the reservoir coolant tank. Where the coolant goes there was a oil mixture .Then it could also be a blown gasket. ...
Without the air sensor the car works perfectly fine although a lot more air is heard from the engine, however when I plug it back in the car suddenly drops in rpm until it finally turns off.