2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 211Get this manual

2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 211

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TROUBLESHOOTING AND DIAGNOSTICS
Normal control

Abnormal intake air pressure sensor (MAP)Abnormal oil pressure sensor signalIncorrect shift cut switch signal
Normal control

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