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p0171

  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...
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