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Looking through documents and have a question. Anyone with an 89 300 SE with the M103 Engine. Can you tell me if the Vacuum line for the EZL module goes to the manifold or to the throttle valve under the Air sensor?

On mine the vacuum line for the EZL is coming from the Manifold and the smaller vacuum line from the Throttle valve goes to the Purge Canister valve. Note the large line from the Throttle valve also goes to the purge canister valve. The documents I am looking at show a vacuum line going from the throttle valve to the EZL. Seems reasonable that you don't want the EZL to have vacuum until you press on the pedal and open the throttle valve.

Thanks for any help you can give!

Maybe it's a different configuration on the 126, but my 124 with M103 has a vacuum line from the intake manifold to the EZL, and a plastic tube from the purge valve to the throttle body for recycling fuel vapors.

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1988 California version 260E (W124)
Anthracite Grey/Palomino
Owned since new and still going strong and smooth
MBCA member

Past Mercedes-Benz:
1986 190E Baby Benz
1967 230 Inherited from mom when she downsized
1959 220S Introduced me to the joys of keepin' 'em goin'

There are only 10 kinds of people in the world--those who understand binary and those who don't