Quote:
Originally Posted by Wayfarer
So back to the original posters question: what exactly does a 50% duty cycle reading key-on engine-off indicate? Can I safely go out and buy a new OVP? Or is there anything else that can cause the 50% reading? (the ABS light is not coming on at all).
Thanks.
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This concerns duty cycle measurement/adjustment on Bosch KE Jetronic (CIS) systems on M103, M104 and other MB engines.
Mine used to read 70% (or 75, whichever is right) and now it reads 50% ignition on/engine off. It hovers nicely around 52 % now and the car is running well.
Did anyone find an answer as to why some are getting 50% engine off? Or did they all get tense and pre-menstrual about posting style and then boycott the thread?
I'm sure many would like to know if any of the seriously brainy boys would help.
By the way, mine was not OVP related.
Thank you in advance.
RayH