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Old 04-22-2001, 09:28 AM
Posts: n/a
I have thought the tach could be causing some of these problems but a local mechanic I use said no and something about the engine controls getting the RPM data from the distributor (donít quote me on this one). I think I saw the CD manual showing the tach gets its data from the distributor. There is a plastic cap inside the distributor that is chipped around the edges. I wonder if something as simple as a piece of plastic (doubt it) or even a bad sending unit for the RPMís could cause problems. I really donít know how the tach or fuel pump relay gets that signal.

85 500SL Euro
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