Quote:
Originally Posted by GrayGhost
It is possible for me to be blind/oblivious, but where in the FSM did you find the procedure to diagnose a misfire?
How did they test the ecm to determine it failed?
I have been chasing a random misfire code for some time. Changed out spark plugs, tested each coil pack, and did a vacuum leak test. No findings. Doesn’t feel like i have a misfire either, just throws the code and i have a high idle 1k.
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https://www.nicoclub.com/FSM/370Z/Coupe/2016/
EC - Page 297 Is where I started with the Misfire codes. I had a general misfire (p0300) and a constant Misfire Cyl #2 (P0302)
I read the technicians hand notes about his diagnostic procedure - He pretty much did everything I was capable of doing with a multi-meter, but was able to read some more in depth stuff with Consult and a scope. He did (according to his notes) verify the ecm was not sending a signal to cyl #2.
When I was testing, I had continuity of the signal wire from the ECM harness to the coil pack harness I knew there was not a broken wire, and figured it was the ECM. I was just not capable of testing the actual ecm.