[croitoru]

True layback40.
Got the jack from Jcar (3.5, 4 legs). So if time as a single full time father permits tomorrow I'll go down amlav's troubleshooting pathway.
Still no injector , first or second hand , anywhere near on sight, on the net.
Bro also ordered a mini-osciloscope kit
So at this stage, no further progress. Still same :
1,2,3 revs over 2000 and boost holds on or above 9-10
4th,5th - not so much.
Under load, even if the lower gears rev, psi is under 10
Flat is ok on 1.2.3.4
I'm starting to think cracked head, thermal sensor, speed sensor (speed and load seem to be a factor)
Again, thankful for all the advice you guys gave me so far.
R