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Closed loop - A/C idle tuning

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Old Apr 5, 2016, 06:14 PM
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Closed loop - A/C idle tuning
Trying to diagnosis idle fluctuations when the A/C compressor cycles, my evoscan logs show the AFR changes from 11.5 to 16.0 during the compressor on/off cycles. See attached log - reference lines 3450 and 3750. Any thoughts on what might be causing this or what I should try changing in the tune? I am using tephra V7 88590715 with ecuflash. Wondering if my idle control valve is sticking?

-David
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