I’m looking for some advice if anyone can help. I have slight back pressure on my mk7 2.2 FWD I have had new injectors, seals and copper rings fitted (Seals have been done twice) I have replaced the PRV and SCV last year (This was when the injectors were replaced)
I still have back pressure on the engine which is quite noticeable the final thing for me to check before I go down the pistons and rings is the rocker cover breather filter. I removed the breather pipe today and there’s no pressure or suction coming from it at all could this be the problem? I also removed the oil cap to see if there was any change there whilst the breather pipe was off but no change
Thanks!