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2003 yam 225 dying problem

T

TimE1

New member
I have a 2003 ox66 225. Replaced lift pumps 06-2017. Replaced fuel filters 10-17. Problem is motor runs fine for most of the day then out of nowwhere when cranking it will run for about 1/2 sec and die. Then will turn over but not crank. Took my mechanic out in it before Christmas and it finally did it. Tested fuel pressure. Had 0. Traced wires from fuel pump to
ecm. Not getting power to fuel pump. Said was the computer. Replaced it. Took it out yesterday and still has same issue. Will crank after extended period of time. But not right away.
 
captain mattman said:
I'm having similar issues with my 150. its almost like its not getting fuel.
Click to expand...


After replacing my computer and that not being the fix, my mechanic replaced a resistor that was part of the grounding system. On my fuel pump there is a blue wire that ran to the computer, it also went to this resistor. Shoulda tried the resistor first. Woulda been cheaper. And yes, it was losing fuel pressure because the pump was losing ground and shutting off.
 
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