WAUPL68E94A032614
2004 AUDI A4
Vehicle Summary
The 2004 Audi A4 Sedan is a sophisticated vehicle with a robust 4.2-liter V8 engine producing 344 horsepower. Manufactured in Ingolstadt, Germany, it offers enhanced safety features such as curtain airbags in both the first and second rows and side airbags for the front occupants. This gasoline-powered sedan is designed for comfort and safety with active seat belts and a direct tire pressure monitoring system. Its elegant design and powerful performance make it a standout choice in the passenger car segment.
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2004 AUDI A4
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Complete Specifications
Known Issues for This Vehicle
Oil leaks
2004 Audi A4 models are known for developing oil leaks, often due to valve cover gasket or camshaft tensioner gasket issues.
Timing belt failure
The timing belt on the 2004 Audi A4 must be replaced at specific intervals to avoid catastrophic engine damage.
Ignition coil failure
This model is prone to ignition coil failures, which can lead to misfiring and poor engine performance.
Coolant leaks
The plastic coolant flange and other components in the cooling system may develop leaks, leading to overheating.
Carbon buildup
Over time, carbon buildup on intake valves can cause rough idling and decreased performance, particularly in direct-injection engines.
Pcv valve issues
The Positive Crankcase Ventilation (PCV) valve may fail, leading to oil consumption and pressure issues.
Turbocharger problems
If equipped with a turbocharged engine, the turbocharger may suffer from wear and failure over time.
Vacuum leaks
Vacuum leaks can occur in various hoses and seals, affecting engine performance and fuel efficiency.
Fuel pump failure
The fuel pump may fail, resulting in starting issues or stalling.
Mass air flow sensor problems
The Mass Air Flow (MAF) sensor can fail, causing poor performance and increased fuel consumption.
