I've no problem adjusting my duty cycle at idle following the procedure linked here on this site, but my duty cycle at 2.500 rpm is way off (20 to 30 %).

How to adjust it? I remember earing something playing with the adjusting screw located on the EHA valve?

Can someone detail me the process (direction of adjustment) to adjust it.

Thanks.

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From 300CE to SLK230K