Mercedes-Benz Forum - View Single Post - M103 Rough idle and vacuum leak
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post #118 of (permalink) Old 01-13-2018, 01:13 PM
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Date registered: May 2014
Vehicle: 1988 300CE
Location: Germany
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Originally Posted by KJZ78701 View Post
... So, anything in there that you might incorporate into your current approach to help people in the future?
On aging systems and also in case of FD refurbishment, the things you talk about in your post can, of course, be relevant. I've refurbished quite a few FDs over the years, never without checking their alibration afterwards. And in about half of these cases, I had to recalibrate them and reused original EHAs often needed to be adjusted too.

For now I suggest to focus on the remaining problem of the OPs car lack of power before the car heats up. And taking care of the matchingly missing, but necessary, proper signal to the CIS-ECU to activate acceleration enrichment (as confirmed in post 104) should be the next step, shouldn't it.

And, as I said, if that does not (completely) fix this remaining problem, Ill suggest specific EHA tests. And the results of these tests would determine the further approach possibly including things you mentioned in your post.

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