Offshoreonly.com - Make a Marine EFI code tool for less than $1.00

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

- Do It Yourself, Boating on a Budget (https://www.offshoreonly.com/forums/do-yourself-boating-budget-249/)

- - Make a Marine EFI code tool for less than $1.00 (https://www.offshoreonly.com/forums/do-yourself-boating-budget/103342-make-marine-efi-code-tool-less-than-%241-00-a.html)

aquaholic58

07-25-2012 09:59 PM

No only 93-2000

bikercrze1

07-26-2012 01:15 PM

dumb question what takes it out of service mode do you just pull the pins out or is there a procedure? I have heard of early models sometimes getting stuck in service mode.

tunertech

07-26-2012 03:57 PM

This was written to address the MEFI 1 through 4 family of controllers ONLY. And no you can not inadvertently stick the ECU in service mode.

bikercrze1

07-26-2012 10:01 PM

Works like a charm really simple thanks for this!

bikercrze1

07-26-2012 10:03 PM

I did try to clear the codes using the throttle and it didn't work. I pushed it to full throttle then back to idle and then pulled the pins out.

tunertech

07-27-2012 12:59 PM

Key off
insert A to B jumper
Key on Engine off
Full throttle then return to idle
Key Off
Pull Jumper

Quote:

Originally Posted by bikercrze1 (Post 3739980)

I did try to clear the codes using the throttle and it didn't work. I pushed it to full throttle then back to idle and then pulled the pins out.

KachinaShadow

07-27-2012 01:12 PM

Optional fire extinguisher not included :D

bikercrze1

07-30-2012 08:59 AM

Awesome thanks!

riverboater

07-31-2012 08:44 AM

great info , but how do you remove it from service mode?

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