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  1. Diagnosing P0422, with ECU live data logging

    2.0 Liter Gas
    Hello everyone, I am in the process of diagnosing some problems with my 1998 Beetle 2.0L (AEG), stick transmission, 173k miles on it. Background info It's had the CEL on for a while now (maybe more than 2 years). No noticeable change in performance (maybe just drop in mpg, not too much power...
  2. A couple questions, P0112, P0422, P0103, P0102

    2.0 Liter Gas
    Thank you in advance for any insight and help, this is seriously frustrating. I would like to start with I have been searching here all day and I have found lots of hints and conflicting advice so I am going to try to ask you directly for your wonderful help :) 1999 Beetle, 2.0 gas engine, MAF...
  3. Help, please - I have searched to no results...P0103, P0422, P1127

    2.0 Liter Gas
    I have the following codes: P0103, P0422, P1127 I changed out the MAF about 2k miles ago, the pre-cat O2 sensor at the same time, and have had these codes for about 6k miles. It idles rough, it lags, it is jumpy when it warms up and gets lower than usual gas mileage. I would just pay to have...