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vacuum leak

  1. P0171 Code after new MAF

    MK4
    Hi, Couple months ago I had the "major" vacuum line replaced by the stealership and had the oil pan dropped, new screen, sludge cleaned out. Just recently I got a P0171 code. Took in into my local shop, they checked all the hosing, cleaned the sensor connection for the MAF and reset the...
  2. What is this noise???

    General Volkswagen Discussion
    So, I just got the flex pipes replaced and now I have this whistling noise. Before I had the flex pipes done I had terrible gas milage (15-20mpg) and the car sounded like a truck with little power. Now, I have the power back but the same gas mileage. Here is a youtube link of my car running. I...
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