Free VIN Decoder
Instantly decode any Vehicle Identification Number (VIN) for free. Get vehicle specs, history, and recall information in seconds.
WAUXD68D81A142473
Vehicle Summary
The 2001 Audi S4 Avant is a versatile wagon designed for the U.S. market, equipped with a powerful 2.7L V6 engine delivering 250 horsepower. Manufactured in Ingolstadt, Germany, this model features comprehensive safety elements, including curtain and front airbags for both driver and passenger. As a gasoline vehicle, it adheres to emission standards with a TLEV certification and is equipped with active seat belts for added safety. The S4 Avant combines performance and practicality, making it a compelling choice for enthusiasts of sporty, spacious vehicles.
Complete Specifications
Common Issues for This Vehicle
Oil leaks
The 2001 Audi S4 is known for developing oil leaks, particularly from the valve cover gaskets and camshaft chain tensioner gaskets, which can lead to oil dripping onto the exhaust and causing smoke.
Timing chain tensioner issues
The timing chain tensioners in this model can wear out, leading to a rattling noise on startup and potential engine damage if not addressed promptly.
Turbocharger failure
Equipped with twin turbochargers, the 2001 S4 may experience turbocharger failures due to high mileage or lack of proper maintenance, resulting in loss of power and increased exhaust smoke.
Vacuum leaks
The complex vacuum system in the engine can develop leaks over time, leading to rough idling, poor acceleration, and decreased fuel efficiency.
Ignition coil failure
This model is prone to ignition coil failures, which can cause misfires, rough running, and the Check Engine light to illuminate.
Coolant leaks
Coolant leaks are common, particularly from the auxiliary water pump, which can lead to overheating and potential engine damage if not repaired.
Mass air flow (maf) sensor issues
The MAF sensor can fail or get dirty, causing erratic engine performance, poor fuel economy, and stalling.
Pcv valve failure
A faulty Positive Crankcase Ventilation (PCV) valve can cause increased oil consumption, rough idling, and vacuum leaks.
Found This Tool Helpful?
Support VinCyP to keep this service 100% free for everyone!