Mercury V8 250

Important Information
Section 1A - How to Use This Manual
Table of Contents
Models Covered.................................................................1A-2
Manual Organization..........................................................1A-2
Section 1 ‑ Important Information............................... 1A-2
Section 2 ‑ PCM 112 ..................................................1A-2
Section 3 ‑ General Troubleshooting and CDS G3.....1A-2
Section 4 ‑ Fault Codes.............................................. 1A-3
Section 5 ‑ Sensors, Actuators, Relays, and
Accessories.............................................................1A-3
Section 6 ‑ Electrical Systems.................................... 1A-3
Section 7 ‑ Fuel System..............................................1A-3
Section 8 ‑ Color Diagrams.........................................1A-3
General Service Precautions When Working on EFI
Systems..........................................................................1A-3
How to Use This Manual
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 1A-1
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