2001 Audi A4 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2001 Audi A4
- Ignition Coil, Ignition Wires, and Spark Plugs May Fail
- Oil Leaks From Camshaft Chain Tensioner and Valve Cover Gaskets
- Rainwater May Accumulate in Plenum Tray Due to Clogged Drains
- Premature Wear in Multi-Link Suspension Components May Cause Noise
- Check Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault
2001 Audi A4 Problems
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 Questions
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.
He checked level and it was low so he added oil but the light won't stop flashing and there is a chattering sound at low rpm's. Any ideas? FYI, he just replaced the coil and alternator.
2001 Audi A4 Reviews
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 ...