2002+ Mercury Mariner 150/175/200 EFI 2-stroke Factory Service Manual, Page 85Get this manual

2002+ Mercury Mariner 150/175/200 EFI 2-stroke Factory Service Manual, Page 85

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IGNITION
Troubleshooting Without Digital Diagnostic Terminal

IMPORTANT: Any sensor that is disconnected while the engine is running will be recorded as Fault in the ECM Fault Histor