2001 Audi A4 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2001 Audi A4

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.

Engine oil leaks are common from the valve cover gaskets and camshaft chain tensioner gasket.

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.

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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.

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Works great under warranty, but very expensive to repair. Mine is 8 years old and I am no longer seeing value in repairing it as I could buy a new car for what it has cost me to repair it recently. Mostly wear and tear items. But for several years I was having to repair cam engine valves (?maybe?) where the engine was leaking oil. Not a cheap repair and it happened 4 times (twice was under ...

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