MicroSquirt.com read only forum (Jan.15,2018)

There are two boxes for setting cranking pulsewidth - one for low coolant temperature and one for near normal operating temp. The Megasquirt then draws a straight line between these two points to determine the PW for in-between temps. My guess is the cold PW setting is too large but warm was close ...

Now that the cold weather is here, the engine will not start unless I pump the gas. I know this is enriching the mixture with the TPS accel enrichment, but it should be possible to make it start without touching the gas. What numbers should I be upping here. After it starts, it runs lean for a few ...