Engine Will Not Crank
Starter Circuit – Check:
•
Control lever must be in neutral position.
•
Safety lanyard; properly installed on fitting on
control.
•
Battery switch in on position.
•
Engine off, key at ignition, engine will not start. See
Starting, page 29.
•
Battery condition; weak, dead, sulfated, bad cells.
•
Battery cables; loose or corroded connections,
corroded cables.
•
Starter relay and fuse, key switch fuse.
•
Shorted or open ignition switch.
•
Neutral Safety switch; terminals connected, switch
bad.
Engine Cranks, But Will Not Start
Ignition Circuit – Check:
•
Ignition fuse and relay
•
Spark plug wires; condition, firmly mounted to coil
and spark plug.
•
Spark plugs; for proper gap, fouling, burned
electrodes, or cracked/dirty insulator.
•
Low battery voltage.
Fuel System – Check:
•
Fuel level.
•
Fuel shutoff and multiple tank valves are open and
operating properly.
•
Fuel filters; water or debris.
•
Fuel pump relay and fuse.
•
Fuel tank vent is unrestricted.
Troubleshooting
47712779 09-2020 © AB VOLVO PENTA 61
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