wallis2847

Not quite sure what you mean by map sensor but I was going up a hill today in 4th and the turbo just stopped producing boost got to a set of lights switched engine off and back on and turbo came back on . I got it home and put it on the vag-com which by the way is an amazing must have piece of kit and it diagnosed p1556. This I am told is either turbo actuator problem or turbo boost controller solenoid (n75 solenoid). My question now is can a clogged egr valve also cause all my symptoms.

Thanks for the help at what rpm should I be feeling boost and I am pritty sure the maf has already been done.

Hi all this is my first post on here and I hope there is someone that can help me with my issue. I recently purchased a 2001 galaxy 115 bhp tdi the problem is that when you put your foot down in all gears the turbo does not seem to kick in until about 2700-3000 rpm but when it does it goes like stink. So I do not think there is a problem with turbo but rather something that is telling it to kick in to late.but I am stumped and there seems to be no clear answer to my persific problem. Other than this annoying niggle the car runs sweet as a nut. Any help with this would be greatly appreciated thanks simon