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High ve numbers for lambda target


TOMMYFD

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Changed my injectors have all the data given by injector dynamics my settings are all good but my idle jumps up and down from 700-2000 rpm and goes lean. The only way to have a steady rpm is to have extreme numbers in my ve table over 65% and has a steady 2000rpm with good afr. What can I do to get my iddle back.

Any help please

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Your VE around the idle area is only around 30-40% in that map?  This is not high - typical would be more like 50-60%.  

For modelled mode the IAT trim should be turned off and the charge temp approximation needs some realistic numbers in there.  Use the example table in the help file.  

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I suspect they wont make a lot of difference.  Turning off the IAT trim would add some fuel, but putting some realistic numbers in the charge temp table will pull some fuel out - so they will likely almost cancel each other out.  

More likely deadtime related if the VE is only exaggerated at idle and normal at higher pulsewidths.

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