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Increasing cold idle speed, Emerald


TomB

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I've recently re-timed my cams (K series, Supersport, SLR/KV6 throttle bodies), and now its needs a little help at cold idle.  I think I need to up may 150-200rpm when cold just to help it along a bit.  When its warmed, idle is smooth around ~1000rpm, but cold its 850-950. 

Without making a mess of the map and settings, whats the easiest way to do this in the Emerald software? The IACV is disabled, so idle control is purely through injection/ ignition control.     

Ive got the manual, but there are few idle control settings, and Im not sur ewhat I need to look at.  Thanks  

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I think I’ve cracked it - I’ve increased the max idle ignition trim value. This means the ecu can advance the ignition further to meet the selected idle speed in the map & temp compensation table.  The maximum trim limit set was 15deg advance. Allowing up to trim to 25deg advance seems to have helped.

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