2003 Audi A4 2.0 fsi

[David l]

Hi all,

A few days ago I did a service, oil, plugs and today I got an engine light on and the codes came back:

16998 - misfire
17912 - air intake leak detected
17967 - throttle valve
17987 - throttle actuator

Any ideas guys? I cleared the faults and so far the light has stayed out but I'm guessing it'll be back.

 

[QuattroCalum]

17912, probably a split pcv hose somewhere.
17967, an educated guess says a dirty throttle body
17987, connected to previous fault
16998, related to first fault, air leaks mess with the fuelling resulting in misfires.

I know this is not the same engine as yours but the problem is related to the direct injection, have a look, this can cause misfires as well.

 

[David l]

Stripped the throttle body out today and yeah your right, pcv pipes perished. Thanks for the help.


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[QuattroCalum]

At least it's a cheap and easy fix, you're