Description
The Audi/Volkswagen 1.8T 20V AUQ engine is known for its robust performance and tuning potential. This turbocharged inline-four engine typically produces around 180 horsepower and is popular in various Audi and Volkswagen models.
Common issues with the AUQ engine include:
1. Oil Sludge: Like other 1.8T variants, the AUQ is prone to oil sludge buildup if oil changes are neglected.
2. Diverter Valve Failures: The diverter valve can fail, leading to a loss of boost and reduced performance.
3. Ignition Coil Problems: These may lead to misfires, particularly in older models.
Regular maintenance, including timely oil changes and monitoring the cooling system, is crucial for maintaining engine health. If purchasing a used vehicle with this engine, a full service history is highly recommended.
