1999 Volvo Penta "WT" Models Workshop Manual, Page 41Get this manual
Engine Dies Out loss Of, Or Out Of, FuelCheck:
Fuel gauge operation and wiring Fuel level in tank Water or debris in fuel Fuel pickup tube and screen blockage Fuel tank vent blockage Plugged external canister or carburetor fuel filters Air leak on suction side of fuel system Fuel leak on pressure side of fuel system Inoperative, restricted or incorrectly sized anti-siphon valve Boat fuel lines too small in diameter Fuel pump pressure and suction Carburetor cleanliness and operation See ElectricalIgnitionFuel System Service Manual
Loss Of IgnitionCheck:
Primary and secondary ignition circuits Ignition switch Circuit breakers Wiring between engine and dash Main engine harness wiring See ElectricalIgnitionFuel Service Manual