The throughput of Phaeton secondary air pump is too small.

The small throughput of Phaeton secondary air pump may be due to the small throughput of secondary air system, but the idle intake of throttle valve is too small, and the dirty throttle valve is the main reason for this failure. Cleaning the throttle body can eliminate this fault.

The specific operation steps are as follows:

Open the throttle, clean it with a brush, spray cleaning agent and replace the hose.