2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 212Get this manual

2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 212

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TROUBLESHOOTING AND DIAGNOSTICS
2 Trouble code indicationExample: The illustration indicates code number 23
aLight on, 0.33 second bLight off, 0.33 second cLight off, 1.65 seconds dLight o