Engine Will Not Crank; Engine Cranks, But Will Not Start - Volvo Penta 3.0GLP-C Owner's Manual

Engine Will Not
Crank
Engine Cranks, But
Will Not Start
VPA 7743722 English 10-2004
Starter Circuit - Check:
Battery condition: weak, dead, sulfated, bad cells.
Battery cables–for loose or corroded connections.
Shorted or open ignition switch.
Starter motor and solenoid–for shorts, grounds, or open circuits.
Starter assist solenoid/starter relay.
Circuit breakers.
Wiring, from battery to ignition switch.
See Electrical/Ignition/Fuel Service Manual.
Ignition Circuit - Check:
Primary circuit wiring, from ignition switch to ignition coil/ignition
module.
Secondary circuit wiring, from coil to spark plug.
Spark plugs–for proper gap, fouling, burned electrodes, or
cracked/dirty insulator.
See Electrical/Ignition/Fuel Service Manual.
Low battery voltage.
Fuel System - Check:
Quantity and condition of fuel in boat tank.
Operation and flow capacity of boat anti-siphon valve.
Fuel tank vent is unrestricted.
Fuel tank pick-up screen is clean.
Correct diameter/unrestricted boat fuel lines.
Fuel shutoff and multiple tank valves are open and operating proper-
ly.
Fuel pump vent hose–for signs of fuel or oil that would indicate a fuel
pump failure.
Fuel pump/relay/circuit breaker operation.
External fuel filter canister and carburetor filter.
Carburetor accelerator pump.
See Electrical/Ignition/Fuel Service Manual.
Troubleshooting
105