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    VWVortex


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    Thread: Overboost and MAF codes

    1. 12-01-2009 02:07 AM #1
      Completely stock 05 GTI 1.8t (As far as I know). I've been having problems with the car going into soft limp mode ever since I bought it. Everytime I drive it for over 15 minutes it ends up in soft limp mode. I had it scanned today and I got back overboost and MAF codes. I just cleaned the MAF last week, so I'm hoping it is not completely bad.

      Could this be caused by a bad (stock) N75? Could the MAF cause both of these codes? I'm having a hard time seeing how the MAF would be related to overboost.

      Any help is appreciated.


    2. Member vdubstookmywallet's Avatar
      Join Date
      Nov 5th, 2008
      Location
      01420 MA
      Posts
      413
      Vehicles
      04.5 GLi
      12-04-2009 04:02 PM #2
      Diverter Valve? I've had similar problems....and was told this was probably it. The location of the valve throws off the readings of the MAF and retards the motor
      Quote Originally Posted by Ramo View Post
      I just recently got a Mk4 GTI VR6 with high mileage and I'm loving it! So far so good... some minor CEL issues but already fixed

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