My TDI seems to have its boost sticking. On full boost it will hit around 16-17psi. However on a regular occasion the boost will only rise up to 10-14psi slowly and when i take my foot of the gas and re-apply the accelerator it will boost back fine. What could be the cause of a sticking boost at a lower pressure?
I think so, as I was going to get N75J but apparently theres another 'N' valve too. I know what the N75 looked like but can't work out which one is which in my car. But i'm going to have a look at the vacumm hoses and boost pipes for any loose connections
certainly do. i could post location for a mk4, but that wouldnt help much! do you replace the maf yet? ps. Egr valve is n18
Yeah replaced that, so if anything is wrong with that it'll be under warrenty still. Well i'm going to check the pipes again and both the 'N' valves on my car. But otherwise i'll wait till VAG COM time.
