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    VWVortex


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    Thread: Boost Gauge stuck on zero

    1. Semi-n00b
      Join Date
      May 30th, 2010
      Location
      Maryland
      Posts
      16
      Vehicles
      00/Audi/S4 02/Audi/S4 04/VW/R32
      07-02-2012 05:17 PM #1
      I have a 2000 Stage 3(untuned) Audi S4. I recently just changed my clutch on the car. While going though that my MAF decided to take a ****. I have the upgrade Hitachi MAF so I have to order one. As of now I'm running with no MAF and I'm aware of what or more or less how it will run without one. When I went to drive my car today I noticed my boost gauge stayed at zero. When I went to drive the turbos didnt spool like usual but I hear moy BOV when over 4500 rpm....Someone told me it was my N75 stuck open...but I just wanna hear some feedback before I randomly buy parts I dont need.

    2. Junior Member
      Join Date
      Jun 12th, 2010
      Location
      CT
      Posts
      60
      08-15-2012 10:20 AM #2
      You need a new maf before anything, otherwise you cannot be tuned.

      Also, you may want to do a compression check. You should be boosting at a good 5 psi with the maf un plugged. What codes do you have? Un plug your N75 from the electrical and see if you boost between 10-12 psi and report back.
      2.7T 2001.5 A6 RS6-R's, Aquamist HFS 6, VAST LWFW, CM FX500 Soon 500+whp
      2.7T 2000 A6 Frankenturbos FX 400
      2.7T 2000 B5 S4 (currently parts car)

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