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Old 09-06-2015, 11:29 PM   #1 (permalink)
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MPGDuino with Common-Rail diesel?

Hi,
can you make the MPGDuino work with a CR diesel? The only problem should be that injector flow is a function of rail pressure and boost (and opening duration), so two more sensors to read.

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Old 09-07-2015, 10:06 AM   #2 (permalink)
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As long as it complies to the OBD-2, it works. And I never saw any common-rail engine that was not compliant to OBD-2...
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Old 09-15-2015, 08:23 PM   #3 (permalink)
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From memory the answer is no, an MPGuino won't work on a CRD unless the ECU reports a separate fuel economy signal (as most European diesels do). If you can wire up a second Arduino to process the required inputs and output a suitable signal then yes

It has come up before so try a search, but I don't think anyone's actually done it the hard way.

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