Engine Cranks, But Will Not Start
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.
● Low battery voltage.
● Call for assistance or see Volvo Penta authorized dealer.
Fuel System – Check:
● Fuel level.
● Fuel shutoff and multiple tank valves are open and operating properly.
● External fuel filter canister clogged.
● Carburetor accelerator pump.
● 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 pump relay and circuit breaker operation.
● Call for assistance or see Volvo Penta authorized dealer.
Hard Starting – Cold Engine
Check:
● Fuel lines for obstructions.
● For debris inside fuel tank.
● For clean fuel filter.
● Water in fuel.
● Fuel quality deterioration.
● Fuel system–for leaks, dirt, or obstructions.
● Carburetor choke operation and adjustment.
● Carburetor accelerator pump.
● Ignition system.
● Call for assistance or see Volvo Penta authorized dealer.
Hard Starting – Hot Engine
Is this a New Condition? Check:
● Quality of fuel – octane (E10 max).
● Spark plugs.
● Water in fuel.
● Carburetor choke operation and adjustment.
● Condition of battery and cables.
● Starter motor–for overheat damage.
● Call for assistance or see Volvo Penta authorized dealer.
Did Engine Refuse to Start after Being Run? Check:
● Ignition system primary circuit.
● Ignition coil(s) and/or ignition module.
● Flooded engine.
● Call for assistance or see Volvo Penta authorized dealer.
Troubleshooting
47701898 12-2010 107
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