So I bought a GAP IID G4 today and have plugged it in… getting these codes. I’ve checked over vac lines from what I can see and a few loose but sorted them and still issue persists.

Does anyone have a diagram of the vacuum set up? I’m having restricted performance when over 2800rpm. It’s had smoke test and nothing shown or visible. A few loose pipes on the t pieces which I’ve sorted. I’m just not sure if someone has messed...

Thanks buddy, let me know how you get on. I’ll keep you updated. My vac lines seem to be all over the place as though someone has messed with them before! Only had it since Jan and it’s never been right.

I will give it a try today and let you know!

is the DPF blocked ? in the handbook for the D3 it says run the engine for about 20 min at abve 2500 rpm to burn it clean i dont know what the D4 hanbook sugests but if you have one look under DPF or diesel particle filter

Picture of vacuum system from sdv6 if its any help, trace from vacuum pump, visibly for a start check hose from solenoid at front to cross over valve, runs across radiator, engine mounts also part of system, check for oil effected gummy pipes...

I’m hoping you can help me, I’m at a dead end and no end in sight! Recently forked out for two new garret turbos on my D4 XS 3L V6 2010. This was due to indie finding considerable amount of oil and decided to replace. Prior to this inlet...