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Old 07-25-2010, 04:58 PM
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Myoung42 Myoung42 is offline
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EFI / MEFI schematics?

Hello,

does anyone have generalized schematics that show what is contained in an automotive EFI system and what is contained in a MEFI system?

I've seen several verbal descriptions on this forum, but it seems that the answer varies quite a bit. I haven't found any good schematics online that show the difference. I'm looking for a flow diagram that shows the fuel flow and the electrical signal inputs/outputs (in my industry we call this a process & Instrumentation diagram, clever I know).

Thanks
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Old 07-25-2010, 07:35 PM
Cheesy Cheesy is offline
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There is quite a bit of usefull info here
http://www.msextra.com/doc/ms2extra/index.html
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Old 07-26-2010, 03:08 AM
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Haynes Engine management systems, TechBook 3787, ISBN 1 85690 787 X. Basics, specifics, 3D graphs, sensor types, wiring details, more than you ever wanted to know about EFI. Don't ask me to scan it, there are 800+ pages.
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Old 07-26-2010, 10:30 AM
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The Mercruiser and VolvoPenta manuals are pretty clear too.
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Old 07-26-2010, 09:03 PM
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ok Gonzo, I'm stumped, where do I find said manuals?

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