tune-up

  1. M

    How to tune-up your Audi A4/S4 b8/b8.5 !!!

    This is what I did to fix some starting up, acceleration, and misfire issues I was having with my 2014 Audi A4 S-line b8. It shows how to change the cam follower, high pressure fuel pump, and spark plugs and coil packs.