Volkswagen GTI Forums - My Fast GTi banner

car issues

  1. MKIV GTI
    I own a mk4 gti 1.8t. I literally just had it fully tuned like 2 months ago. Since then I have had an o2 sensor go out(not what I'm concerned about) but I was wondering if that would some how make my cylinders misfire since it has to do with my fuel. I was just driving Into town for work and got...
Top