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Fuel Pump #6150375 05/05/11 08:00 PM
Joined: Mar 2005
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brelmore11 Offline OP
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before I ask my question, I need to tell you, I am clueless when it comes to motors and electronics, so if you dont understand what I am trying to say...I probably don't either so bare with me. Boat turning over but not starting, acts like its not getting gas..checked fuel lines, they are good...fuel filter is clean...hot wired fuel pump and it works...checked fuses, all work...what else could it be besides the wiring?

I had the boat out about a month ago and it started and ran ok, except a couple of times when I was decelerating off of plane, it died, but started right back up...thought something could be clogged, but all lines are good.

Re: Fuel Pump [Re: brelmore11] #6150422 05/05/11 08:10 PM
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boatman025 Offline
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what motor is it


Hughes Marine
3855 Osage Lane
Wylie ,Texas
Re: Fuel Pump [Re: brelmore11] #6150426 05/05/11 08:10 PM
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opus Offline
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Is it gettin fire?

Re: Fuel Pump [Re: opus] #6150452 05/05/11 08:16 PM
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JMBruce Offline
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yes, its getting fire....will try to start with a little squirt of starting fluid....

Re: Fuel Pump [Re: JMBruce] #6150495 05/05/11 08:23 PM
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brelmore11 Offline OP
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Mercury mercruiser inboard/outboard 4.3 liter

Re: Fuel Pump [Re: brelmore11] #6150599 05/05/11 08:46 PM
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Mike Halfmann the boatmann Offline
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Don't look at me like I'm crazy,,,,but,,,,there is a pressure switch at the sending unit for the oil pressure. That switch will cut off the fuel pump and not allow the engine to start by using the key. You can by pass that switch. It will shut the engine down if there is not enough oil pressure. Might want to check it out...... Also we ran into this three times this summer. Needle stuck in float chamber cutting off fuel going into carb. Remove flame arrestor and pump throttle handle, do you see fuel squirting? If not. There you go. If you did....Maybe you just flooded it. The 4.3 is a bugger to start if you flooded it. It's like once flooded, always flooded. In that case, pull spark plugs and crank for 30 seconds. Blow off spark plugs or spray with carb cleaner, replace and try again......

Last edited by Mike Halfmann the boatmann; 05/05/11 08:49 PM.

mike halfmann
Re: Fuel Pump [Re: Mike Halfmann the boatmann] #6152955 05/06/11 02:05 PM
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brelmore11 Offline OP
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Thanks for the help Mike, gonna try them out this weekend...any idea where the pressure switch for the oil would be located?

Re: Fuel Pump [Re: brelmore11] #6153532 05/06/11 04:34 PM
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Mike Halfmann the boatmann Offline
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Bottom,port,stearn on the motor block


mike halfmann
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