Thread: 1990 560sel air mixture setting?
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  #5  
Old 04-02-2007, 10:16 AM
johnlo johnlo is offline
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Join Date: Aug 2006
Posts: 195
to check the duty cycle just put the pins in holes 2 and 3 and turn the key on right andf for the other reading at 25oo rpms of course turn the car on
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