1 week after my stage 1 apr install the engine misfired and now it shudders when I hit the gas. I'm bumming hard be this GTI is brand new to me. I haven't pulled the codes yet bc I needed to leave my new whip at home to fly to LA. Please help me!?!
Will changing the coils and plugs help?
Scot
Will changing the coils and plugs help?
Scot