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Model specific boards => Golf mk4 => Golf mk4 TDI => Topic started by: yourloveismydrug on 21 January 2013, 19:33
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2003 TDI 130 was dropping out of boost and into limp mode almost everytime the turbo kicked in .
Today I changed all the vac pipes for silcone piping and now it seems a lot better , by that I mean it will rev right through and has only done it once since ( dropped off boost )
The only fault code I get is for a negative pressure deviation .
I have some Innatec turbo cleaner which will be getting done next ...
Two questions .
1. there is a one way vlave ( black and white ) in the vacuum system , could leaving this off cause the boost issue ??
2. how can I test the N75 valve and what symtoms would it give and wojld they be constant or intermitant??
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Yes leave that one way valve out will probably cause some sort of issue.
Find a mate who has a working car and borrow his N75 to see if yours if f**ked.
Defo get the innotec in there. :smiley: