Volvo Penta4.3L 1992

by Andy
(South Milwaukee, WI)

Runs great at slow speed, trolling as slow as it goes. As soon as we power up it dies. It may run for a minute or two before it just stops or it may only run 10 or 15 seconds at increased RPM before it stops. It sounds as if the key was turned off. As I adjust the throttle down, get it out of gear, and hit the key it starts up. Then when we start accelerating it just stops again. This continues happening as long as we try to start and accelerate.
When we give up and just troll in, in runs fine. Slowly but fine.

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