2004 SL600 M275 no fuel pressure

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2004 SL600 M275 no fuel pressure

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07-12-2017, 12:54 AM

Roncallo

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Join Date: Oct 2004

Location: CT

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Quote:

Originally Posted by 97 SL320

Lets try this again. Have you applied 12 V to the pump while it is fully installed and tried to start then engine?

The goal is to determine if the issue is with pump control or something further up stream. ( Like ECM / injector control )

He has not tried that. That would make the pump run uncontrolled at full power. Any safety issues.

Maybe we could try that briefly to pressurize the system and see if it will just start. I believe it will.

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