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Oil in Vacuum pipework

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Cyrix, Sep 8, 2011.

  1. Cyrix
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    Cyrix Member

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    [Sep 8, 2011]
    I've got an "Insufficient Flow" error on the EGR system, the light has been reset a few times but always returns within 10/20 miles at low speed usually.

    I checked all the pipework out which seems to be ok, but I noticed a few of the pipes were oily inside near to the vacuum solenoid block on the bulkhead, is this normal?

    I'm still not sure on whats at fault, I suspect the EGR valve as if I attach a pipe and try to suck through it I am unable to hear the plunger in the EGR moving.

    My question is, is oil in this area normal or is there a chance a diaphragm has ruptured and is passing oil.
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