GT3RS "fuel trim" adjustment
11-22-2012, 03:22 AM
#16
Easiest way to start is to look on your OBDII data logger for short term fuel trims and long term fuel trims...
If you have lambda on your OBDII then that's great as well, normally you'd need something like PWIS to see that actual reading the computer is using...
VOM may work, I don't know does the 997 have a narrow band or wide band O2 sensor standard... If narrow signal is 0-1 volt if wide is 0-5 but that's after the controller...
My experience is still mainly with BMW's...
If you have lambda on your OBDII then that's great as well, normally you'd need something like PWIS to see that actual reading the computer is using...
VOM may work, I don't know does the 997 have a narrow band or wide band O2 sensor standard... If narrow signal is 0-1 volt if wide is 0-5 but that's after the controller...
My experience is still mainly with BMW's...
