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Old 05-17-2002, 08:49 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,123
how to tell if M103 EHA leaks (91 300SE)

I've read about EHA leaks. I checked mine today in the process of investigating a mildly rough idle. It was clean and dry in place. As I loosened the Torx head screws, fuel started to leak from the EHA/distributor interface.

There's a flat head screw on the hidden side of the EHA that I hessitate to touch.

Is there anything I can do that will suggest that it's a good or bad EHA?

Are new o-rings in order? The ones there now are green.

91 300SE
87 300SDL
81 300SD
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