454 Mag MPI
06-05-2008, 11:59 AM
#1
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454 Mag MPI
270 hours, and runs fine. but every once in a while when i start it, it studders and has to be restarted. well it would not start back up then, but if you let it set for 10 min, it works again. any ideas? am i missing something, its multi ort injected, so you can't flud it....
06-05-2008, 12:02 PM
#3
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Wait,,, back up a minute,,,,, is it when its cold or warm?
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06-05-2008, 01:51 PM
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its only done this 2 times,
first time, i left it at the dock that night, and came back that morning to put on traler... started fine, moved across marina, and parked at gas dock while putting trailer in water = then would not start. 10 min latter and some hitting the key, it runs like nthing happend.
second time, drove up river a ways 5-7 miles. floated, and had to move a time or two int he next 2-4 hours. so just crank up and move out away from banck and kill it again. after about 3 hours it did it the second time. by the way. My boats name is OBNOXIOUS.
first time, i left it at the dock that night, and came back that morning to put on traler... started fine, moved across marina, and parked at gas dock while putting trailer in water = then would not start. 10 min latter and some hitting the key, it runs like nthing happend.
second time, drove up river a ways 5-7 miles. floated, and had to move a time or two int he next 2-4 hours. so just crank up and move out away from banck and kill it again. after about 3 hours it did it the second time. by the way. My boats name is OBNOXIOUS.
06-06-2008, 02:54 PM
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I have the same engine and mine does that every once-in-awhile. It acts like it's flooded. All I do is stick the throttle in the flooded start position (about 1/2 throttle out of gear) and then crank, and it starts right up Just got to yank the throttle back quick when it catches to keep it from over-revving 
