Ok here’s one for you guys. So first off, new here, hellos how you doing. The problem I’m experiencing with my car is I’ve got a CEL on and it reads p0300-random
Misfire, p-0303-cylinder 3 misfire, p-0302-cylinder 2 misfire, and p-0299 turbo underboost. I just replaced my coils with the r8 coils, just replaced my spark plugs with ngk1675 and just replaced my pcv. When I got my pcv it wasn’t in a bag when I received it from the dealer. It was just the plate. No gasket nothing. So back before I got this CEL everything ran fine. The CEL comes on when I hit the pedal to the metal and floor it then my light domes on. Could this be bad pcv? Bad diverter valve? Please help fellas I’m at a loss here. Also talked to the place I got my coils from and they do send out new coils just Incase they were bad so that’s a plus. Let me know what you guys think. Thanks.