The moderator at EFILive (joecar) took a look at my tune file, and made some suggestions to me on some tables to take a look at for the rough cold start idle problems I've been having. Seemed like rather minor changes, but they made a world of difference when I loaded the tune that I modified with these changes.
Start up is MUCH better. Doesn't try to stall out on me and run extremely rough like it used to.
The changes made were:
- B3618 - increased richness of cells below 1600 rpm.
- A0002 - set percentage to 100%
- A0008 - increased commanded fuel multiplier at ECT values below 90 C.
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I think A0008 was probably the table that really made all the difference, as at idle, power enrichment isn't even being triggered. I may take the car out for a spin to see if the changes to B3618 made any difference to throttle response. I'm thinking a bit more fuel might help, since from what I've seen of the logs I've taken, throttle blips tended to make a lean spike and the A/F ratio.