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all voltage checks appear good. getting 5 volts at sensors i could find. disconnecting sensors from power plug one at a time. still getting alarm after key off for reset. 12v at fuel pump and ignition switch. i attached an in-line spark tester to a plug. getting some spark, not sure if it's...
I disconnected the two wires to the lube bottle and the ect connector with no change. Also disconnected and reconnected other sensors that I could see with no luck either
Hi all,
Hoping someone can point me in the right direction to start testing. I just replaced my boat battery w/1000mca. After the old battery wouldn't take a charge, it was about 10 years old. I left the boat key on for a week and went out to a dead battery, it was down to 8v and wouldn't take...
Mercruiser 4.3L MPI S/N 0M357557 .
Fuel pump randomly runs after engine shut down. At key turn on fuel pump turns on for 2-3 seconds then shuts down. Engine starting takes 4-5 seconds of key turn. However sometimes after running the boat the pump will stay on after the key is off. I checked...
