All Things Mk5 > Mk5 General Area
boost problem.....again
cossy:
I cant speak for your map but my bluefin on the "Max Map" doesnt boost much in 1st & 2nd.
Low power map it does though :smiley:
joesgti:
--- Quote from: jonnyc on March 05, 2009, 02:18:58 pm ---
--- Quote from: RedRobin on March 05, 2009, 02:16:48 pm ---^^^^
Yep, DV and PCV. They were the first things JKM checked once we knew there was a leak.
But surely the data logs would show a leak (higher % boost requests to compensate) if the DV was faulty?
Have Awesome either been on the rollers or taken your car out with a laptop?
Did Awesome check the Forge DV seal?
--- End quote ---
So you have the forge DV??
Did you check the O-ring and make sure the piston was well lubricated, if it were to stick then you would leak boost..
Could be worth running some requested and actual boost logs on Vag com..
--- End quote ---
so the forge DV needs lube? has anybody else reported that they stick? PCV....whats that?
tony_danza:
I think if it was anything broken, then it wouldn't be making boost in any gear?? You said the rest are fine 20psi over 3000rpm, right?
Try the battery and we'll go from there, bit by bit and we'll find it. No sense stripping the car, having a play with everything, fixing it and not knowing which one was at fault.
Sounds like you could do with someone VAGCOM savvy too for some live logging.
joesgti:
--- Quote from: tony_danza on March 05, 2009, 02:53:57 pm ---I think if it was anything broken, then it wouldn't be making boost in any gear?? You said the rest are fine 20psi over 3000rpm, right?
Try the battery and we'll go from there, bit by bit and we'll find it. No sense stripping the car, having a play with everything, fixing it and not knowing which one was at fault.
Sounds like you could do with someone VAGCOM savvy too for some live logging.
--- End quote ---
yea, i could do with vagcom (if anybody lives near by and wants beer tokens?) will do the battry tonight and repot back here.
if this is any good then i had a race spirited drive (on my own race course in fiji) with a clio 197 last night and i wiped the floor with it!? so the cars still making good speed :confused:
RedRobin:
....
But surely Awesome did some data logging!!?? :surprised: :surprised: :surprised: :surprised:
PCV = Positive Crankcase Ventilation one-way valve and quite a common failure it would seem.
Take your pick : -
http://www.google.com/search?hl=en&client=safari&rls=en-us&q=PCV+valve+Mk5+GTI&start=10&sa=N
But perhaps you would hear something if it failed. Also performance would doubtless suffer more globally. I dunno, I haven't read it all.
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