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    VWVortex


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    Thread: B5 S4 UNITRONIC stage 1. stutters at high RPM's and throws boost back alittle

    1. 10-06-2012 12:12 AM #1
      recently got stage 1 unitronic. it drives normal. at high rpm's when im hitting it hard it stutters a couple of times and doesnt give full acceleration and boost. i just changed spark plugs and maf is clean.
      WHAT IS WRONG?!?!?!

    2. 10-06-2012 12:14 AM #2
      it also does not misfire. i dont have any codes. AND when its idling, the car has a small shake to it. the RPM moves ALITTLE unstabily

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