All Things Mk5 > Performance Modifications

Rev D Diverter Valve - This right?

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E30Dom:
Taking from the post where I posted...

I'm currently having boost issues where in higher gears under load on boost i'm getting a fluttering/pulsing/stuttering in the boost pattern...

I've had the n75 changed but it's still doing it so have ruled that out... I thought I'd check the RevD DV which I fitted after the Revo Stg1 remap...

Can anyone tell me if this looks right? The last section of travel is a bit sticky...



Appreciate any comments... Car is back in Thursday to be datalogged and hopefully pin point the problem...

Dom

56OctyVRS:
Has it just started doing this or was it evident when the stage 1 map was loaded?  It could be a handful of things so you are doing right by getting it datalogged as that will show what the car is doing under load.

E30Dom:
No it's been running sweet as for past 5 months, even made 288bhp on JKM's rollers with just the map... Just suddenly started doing it... garage who mapped and looks after my car datalogged it initially in my lnch break and thought it was the N75 valve so swapped it over but it's still doing it... They said it's normally the N75 or the DV, but will see what they say...

...Was just unsure of the action of this DV.

Dom

56OctyVRS:
Its hard to tell really without a side by side comparison with another DV.  There have been very few reported problems with this tye of DV. It could be you have a small leak in a vac pipe or something as simple as that.  Hopefully datalogging and a bit of investigation from your tuner will see you right :happy2:

E30Dom:
Yeah I've been reading lots of different sites with similar issues and a leak the vacumn side is defiantely a possibility...

They also have an EVAP smoke pressure tester so will that test everywhere?

Dom

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