Anyone have a Bentley Manual for a B5 A4 1.8T? I'm throwing this fault code:
Sec.Air Inj.Sys. Incorrect Flow Detected
Input as to what I'm looking for would be great. Thanks everyone
That vortex thread is for a different engine, but similiar problem.
The vacuum line to the kombi valve goes bad all the time. Check the hoses that come off you intake manifold. There are also some hoses and valves under the manifold right by the throttle body that should be checked too.
The factory vacuum hoses get very brittle and/or shorten over time. They will shrink enough to the point where they pull themselves off the nipple of the manifold.