Starting fuel load question.

[Shannen Durphey]

What temperature is cold?  

In many factory calibrations, there are tables with temperature ranges for this
job.  I've seen startup pw set well over 10 ms in the lower regions of the
tables.  Cold enrichment needs to be set correctly for cold operation, not just
startup.  Sounds like you don't have many options there.

Shannen

Con Torrisi wrote:
> 
> Hi guys,
> 
> I have a question you may be able to help with. My kit efi system allows me to set a cranking fuel load (in ms) and cold enrichment (as a percentage). If the normal idle hot injector duration is 1.7ms at idle then what would be a good duration for cranking.
> 
> My problem is that the engine is very hard to start cold but starts well hot. Currently the cranking setting is 4.03ms and cold enrichment is set to 25%.
> 
> Thanks
> 
> Con Torrisi.
> 
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