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Optimax lift pump vs low pressure fuel pump?

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abnwayne

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Just curious as to the symptoms of a failing lift vs a low pressure fuel pump my boat has the 200 optimax and i cannot get it past 3200ish rpms without bucking surging until i drop it back down boat will idle like a champ and run great up until that point there are no dtc's at all i have the rinda pc scan tool its just acting as though its running out of fuel when i throttle it i know that the high pressure pump inside the vst is working as it would not idle at all if that was failing
 
I figured out my own question I can tell you for certain if the low pressure pump is dead that you will not be able to accelerate loaded past 3k rpms unloaded and on a trailer it will idle great and start no issues that low pressure pump keeps the vst fed
 
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