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N75 valve location Polo Gti 9N3 1.8T


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RupertBradley

Hi

Recently had my Polo GTi 1.8T remapped at DynoTech Ripley. Saw good results - seemed my car only had 135BHP to begin with, and this increased to 174BHP so saw good increase HOWEVER big dip in boost and was told this was likely to be a faulty N75 valve which I believe controls level of boost. Iv'e since ordered one but not sure where it's located??

Thanks.

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Here's the write up BJX N75 Valve Checking charge pressure regulating valve vacuum unit.doc

nige8021

First Welcome to the forum.

Do you know the engine code? it should be on the V5 the engine serial number should start with three letters

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  • 4 weeks later...
RupertBradley

Sorry didn't see reply! Will check when get back to car this evening. There are two valves one to right of central block and one back left (difficult to reach). Will be back later with engine code.

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