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Hi,
I had a problem with boost and have just fitted a new N75 valve . . . . . . .
But instead of peaking at 21 psi it wants to go round to 30psi??
Any ideas??? really dont understand what it can be?

Was it knackered when mapped at 21 psi and now the map is wrong? is it adjustable? or have i done something wrong?

Thanks
Nick

Installed it the right way round?

What's the p/n on the N75 Nik? (have you by chance got one of them "whacky" N75's off an RS2?)

unplug the electrical connector to limit boost until its sorted!

Part number def matches the one i took off and you can not install it wrong
The only thing i am thinking is if i put the elec connectors the wrong way round, as i had to unplug a part next to it to get at the bottom hose, and they both have the same connector

Nick

try swopping them around and taking a sensible drive to see what happens with the boost reading