clarification: not in the scanner, obvs, since the PCM would be unplugged. Meaning checking voltage at the O2 connector with a DVOM, seeing if it was...
Not something I have run into yet in 20 years of tuning. Good information to tuck away in the old brain though if I ever see it. I have seen TPS/MAP...
Excuse my lack of knowledge but would you be able to briefly explain the changes you made? As I am pretty new to all of this still I just get nervous...
The O2s should read 450mV when unplugged, that is the 'bias voltage', produced inside the PCM. The signals here are tiny tiny, the O2 pulls it lower...
I have a 2002 Camaro with a cam and the car does not want to start when it is warm and has been sitting for a while usually when the IAT is high. On...