New to tuning. I'm Idle tuning on a Gen IV E38. I've adjusted idle air/RPM and spark.
When interpreting the log file...
- How do you know idle air is correct? I'm seeing .26-.30g Cyl Air mass.
- How do you adjust spark advance? Simply add the amount to the tune that is being advanced in the graph log?
- I'm seeing LTFT climb. If I disable OL or reset LTFT the idle is good. Can I simply adjust fueling table by percent show on log graph?
Any feedback is greatly appreciated.
2010 Silverado E38 Tune1.hpt
Idle Tune 2 2020.hpl