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Old 07-07-2011, 01:19 PM
bigmac bigmac is offline
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Join Date: Jun 2005
Boat: 2004 Maristar 230 VRS
Location: Central Minnesota
Posts: 8,121
IIRC, Code 12 on MEFI 3 and MEFI 4 is just a confirmation that the diagnostic process is online.

The paper clip trick isn't a universally applied tool across the Delphi ECU line. Doing that on later models runs the very real risk of totally frying the ECU.
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