Porsche Maca exhaust valve control unit failure.

The throttle is stuck, the throttle is stuck.

1. Throttle stuck: mechanical failure of exhaust valve control valve. The problem is the exhaust valve control, that is, the throttle valve cannot be turned over or stuck normally, and the six valve discs need to be cleaned and lubricated.

2. Throttle stuck: mechanical failure of exhaust valve control indicates that the problem is the flap of exhaust valve control, that is, the throttle valve cannot be turned over or stuck normally and needs to be cleaned and lubricated. After lubrication, it is still stuck and needs to be replaced.