123432 -

The emissions warning light illuminates. Cold Start Noise: Noise 20-30 seconds after start-up. Common Associated Codes

The turbo has been overheating, causing the wastegate flap seat to become loose and move. 123432

The car has no boost and runs with reduced power. The emissions warning light illuminates

The actuator motor itself is failing.

Faults can sometimes trigger after a complete disconnection of the battery. 123432

The car's computer (DME) is trying to "learn" the closed position of the wastegate valve. The measured closed position is outside the acceptable tolerance, indicating it is not sealing or moving properly. Common Causes:

Corroded, damaged, or loose connectors between the actuator and the engine computer.