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    Mag 350 MPI alarm problems

    First post earlier about 2 beep alarm every minute. I've disconnected (one at a time) the water pressure sensor on the p/s cooler, water temp. sensor on thermostat hsng. and still get a 2 beep alarm. IAC valve is clean as new and pintle is free. Does the 555 system reset or does a scan tool...
  2. H

    alarm?

    Newbie here! Have a Mag 350 MPI w/Bravo 1. Got a 2 beep alarm every minute. Oil pressure 30-45# , water temp. 165. Had new impeller installed week ago. Dealer said he found most pieces. Does this engine had any sea/raw water pump sensor? If so, where where is the location? Engine serial no...
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