All Things Mk5 > Members Rides
GVK's Edition 30
GVK:
PXL_20210704_234117677.NIGHT by GVKmotorsport, on Flickr
GVK:
Small walk round.
Going to do track day soon, my first for about 10 years!! So to get the Edition 30 ready for a day its going into Maxtreme my local VW specialist for Superpro ball joints to give neg camber, EBC orange race pads and a brake fluid change using Brembo 5.1 fluid.
Look forward to thrashing it around Cadwell park. I've been driving like a loon on the road lately, and when people are coming the other way on B roads when i'm using all the road it's not good!
GVK:
Guys I'm getting aP0299 underboost code, on the Edition 30 freeze frame data showed at 6700rpm it was only making 1020mbar. Did some high load logs earlier when roads were quiet, it's making 1.5bar atm....Feels quicker than ever too.
Not smoke tested it to see if its got a leak, but the requested and actual boosts seem to match? Diverter valve flutters sometimes, get a rattle from guessing wastegate on start up ?
G-olf:
Hi,
6700 rpm is quite high up the rev range. Even if its target boost is 1.5 bar through the midrange I doubt you would want to hold that amount higher up. It normally tails off to protect the motor.
Although the code suggests there's something going on
GVK:
It's had this code for a year or more, i can never feel a lack of boost and generslly it used to hold 1.3 bar all the way through going by old logs.
I'm not complaining as it's going rrally well just like to get to the bottom of this code.
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