If only it were that easy.
Standard injectlors, MAF, dizzy, boost, Magnecor leads, coil and new lambda though it won't make a difference.
Taken it to RC Developments, they verified the FC on another car and no problem. Advised it was an electrical incompatibility or tolerance causing the issue. Meaning the standard ECU is less sensitive or more forgiving to whatever has happened. At that point the Power FC was still running but wouldn't go past 2000rpm. No boost controller and no AAC though been told by RC that shouldn't matter. Clive advised I start swapping bits around in my time rather than at his expense (very fair)
Tested a local owners:
standard leads, TPS, MAF, power transistor, coil no change past 2000rpm
Ripped out entire dash as advised problem is rev related and could be anything from HT leads to rpm counter.
renewed all earths, swapped over ECU's umpteen times. Troubleshot my way through the Nissan manual tested all the sensors individually and all work. Continuiuty checked all the sensor wires to ECU and no problems.
About 6 months ago, Ross had kindly photo'd all the Powerfc settings and posted up for me to check.
I had purchased a complete boost controller kit in the end (Against Ross's advice) and this makes no difference to the situation.
Somewhere in the middle, the problem has got worse :roll: as the car won't even start on the FC now.
The only slight technical funny in the Nissan checks was the CAS and that is why I posted.
I can manually roate the CAS and on the standard ECU, the 4 plugs fire but more importantly, the 4 injectors do too and the fuel pump keeps adding more fuel to compensate. This is repeatable for every "single" turn of the disc.
On the PowerFC, No 1 cylinder occasionaly fires, sometimes once for every turn and sometimes once for every 4 turns. The fuel pump does occasionaly work to showing that the injectors are firing occasionaly. And I've taken the plugs out and can get all 4 to spark but the order often goes back to plug 1. On the disc there is 1 longer slot (TDC?) that i'm guessing is the reference point and why it might keep firing cylinder 1?
My gut feel is its either the output from the CAS or what the PowerFC is doing with it but there is not a lot else to go at.
Like I said before, other tress to bark up are gratefully accepted