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Vw azv code 16683 boost control

  • 12-07-2016 8:27am
    #1
    Registered Users, Registered Users 2 Posts: 7,138 ✭✭✭


    Ok, a common problem but trying to nail it down to something specific.

    Symptoms are limp mode, mainly going up a steep hill in 4th gear and above around 2000rpm when engine hot. Happens very randomly.

    I'm guessing possibly a boost hose fault, my turbo is at back of engine so hard to see without dismantling.

    Any pointers please appreciated.


Comments

  • Registered Users, Registered Users 2 Posts: 383 ✭✭Waterson


    Could be any of the following...N75 wastegate solenoid, wiring or sensor, turbo pipe split, boost pressure sensor, etc. etc. What are your boost pressure readings desired versus actual...?


  • Registered Users, Registered Users 2 Posts: 7,138 ✭✭✭snaps


    I'm hoping Ive found the problem. 2 of my egr bolts were loose. I noticed at the back of my egr there was lots of oil and soot. If that's getting out, air must be getting in/out too.


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