guys,
mods are: (my copy n paste list)
Pvc delete, n249 delete, 3"TIP, 42DD velocity stack intake, n75h, forge 008, 63mm FMIC, phenolic spacer, 3" DP, 3" mandrel bent SS twin tip exhaust, (4bar fpr, ev14s-sitting on shelf waiting for tune) racing battery, short shifter, 8p knob, powertrack 50/50ad, polly bushed + caster correct, vmaxx xxtreme, h&r arbs, 15mm + 20mm spacers, Osaka 18" racing alloys, drilled discs, rstuff pads.
Problem started about 2 weeks ago, had a leaky boost pipe, thought it may have killed my n75. Now I have brand new pipework, I've tested the n75h out of the car, ran with 008 dv blocked, no leaks, plugs new, coilpacks upgraded, exhaust not leakin one single iota
The N75h new (never thrown me into limp), forge 008dv new, just had it smoke pressure tested and its tighter than a nuns a.hole all good, maf = brand new bosch unit, the old unit was also completely fine.....as I now know
Either maf unit unplugged and its boosting hard, either unit plugged in and it's stuttering and missing like anything, new and old genuine mafs...not a single speck of change between either, and, no boost at all
Coolant temp sensor new and working, thermo new and working, just so random that it was fine one run, jumped in an hour later and the boost was all gone.
I've haven't a single vcds code under the sun....I'm fresh out of ideas....
(both my o2 sensors say they fail the readiness test on VCDS, of course my cat also says the same, but i have no cat....could dead o2 sensors be messing everything up? No spacer on postcat lambda, my installer if I remember correctly said he had it disconnected, but not mapped out)