AH FabricationsJMB Retrofits
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  1. #1
    1st Gear

    Join Date
    Jan 2007

    Turbo stopped working, then started again. Why?


    On a run down to Kent my car started to misfire/jerk at 70 going past Hemel
    I thought it was an alergic reaction to hemel, but whilst queing for the M25 noticed turbo not spinning. On pulling away the car worked but only as a 1.8 QS, not a 1.8 TQS.

    I carried regardless and after getting to Kent stopped and turned the engine off. Upon restarting it definately wasn't working so checked the hoses, all seemed fine. Left the car for a few hours and upon restarting the turbo was working again, but kicking in higher up the rev range.

    Drove 100 miles home and stuck it on the VAGCOM and got a 'negative boost pressure' warning. Cleared it and everything is back to normal.

    Any ideas?
    Also can the car select to run without the turbo? Wastegate stuck open?


    Last edited by hooley; 27th March 2009 at 06:55. Reason: Spelling

  2. # ADS
    Join Date


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