Hi Everyone
I've got a bit of an issue. I have to increase my injector correction too much in order to get my car to run properly. Here are the details:
Nismo 555cc injectors
Bosch 044 completely rewired to the battery
Fuel Rail Checked
PowerFC Settings:
stock 370cc / nismo 555cc = 0.666666667 x 100 = 66%
nismo 0.71ms - stock 0.52msec = 0.19msec
The correct settings are 66.6% and 0.19ms lag adjust
66% and 0.18ms Lag time adjust = Car won't start
66% and 0.18ms Lag time adjust AND massive injector increase in idle load cells = Car starts and runs, heaps lean everywhere else.
72% and 0.18 ms Lag time adjust = Car starts and runs, and map is consistantly good for fuel
66% and 0.45 ms lag time adjust = Car starts and runs, and map is consistantly good for fuel
Ok here are the catches.
1. Same problem with Nismo injectors, and Factory injectors. So its not the injectors.
2. Changed out the fuel pump twice. Same problem.
3. Changed the FPR, same problem.
4. FPR is getting good vacuum signal.
5. No Boost leaks.
6. Same problem on RB25DET stock, and RB25\30 with cams.
7. DaleFZ1 had the EXACT same setup (Injectors, Fuel pump, AFM, ECU, etc, and set to 66% and 0.18ms lag adjust and he had no problems.
Here are most likely the only things that could be wrong now:
1. Injector Voltage. Multimeter says they are 12.3 \ 12.4 volts
2. AFM?? Could this have an effect? And why?
3. Kink in the fuel line? I'm hesitant on this one because the problem can be replicated at idle. A Kink would only effect mid to high load? Plus, with the doctored injector settings, the car runs ok with plenty of fuel up top.
This is really a pain in the bum. Any input would be greatly appreciated.