Thread: Cant Adjust Duty cycle????
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Old 03-02-2014, 02:39 AM
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MBeige MBeige is offline
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Similar problem I had with my 190E, I could not adjust duty cycle. Culprit was the O2 sensor

Items responsible for adjusting duty cycle? - Page 4 - Mercedes-Benz Forum
Last edited by MBeige; 03-02-2014 at 02:54 AM.
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