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  #31  
Old 06-12-2012, 09:31 PM
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Footin Footin is offline
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Boat: 2007 Maristar 200VRS X2
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Try running the blower for a minute or two, it cools down the engine compartment and may help if it is vapor lock.
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  #32  
Old 06-13-2012, 12:36 PM
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Fuel pressure loss for some reason when warm.
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  #33  
Old 06-13-2012, 01:32 PM
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You don't get vapor lock when the pump is in the tank- that, and the need for higher fuel pressure with injected engines is why they started putting it back there. The fuel is pushed to the engine, not pulled.
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  #34  
Old 06-13-2012, 01:35 PM
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I didn't think MCX's can vapor lock! Thanks for reassuring Jimn!!!
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  #35  
Old 06-13-2012, 03:27 PM
MrPink MrPink is offline
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I had a similar mysterious issue on my 09 X2 and discovered it was a partly separated wiring harness that connects to the fuel pump. It seemed like when the motor got hot the plastic connector would heat up and start to separate and cut power to the pump. It always started no problem cold and then if i let idle for 5-10 minutes it would shut off. Good luck in your search.
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  #36  
Old 06-13-2012, 11:40 PM
BTV BTV is offline
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Thanks for ideas. I'll go over all connections carefully and hope problem doesn't get any worse.
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  #37  
Old 06-14-2012, 01:19 AM
rawly rawly is offline
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Mine had the same issue and it was because the fuel pump ground wire inside of the tank was loose.The poor grounding caused the connector that plugs into the pump to slightly melt.Turn the key to the on position and listen for the pump to come on.You should hear the humming sound from the drivers seat.The wires should not get hot when the boat is running.
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  #38  
Old 06-17-2012, 01:07 AM
gstringlover gstringlover is offline
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its probably that acordian fuel pipe from pump to sender presure pipe in tank and 1 piece, its probably cracked,,, but it could be many other things,, did u scan the boat when hot or for codes
?
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  #39  
Old 06-17-2012, 10:29 PM
gstringlover gstringlover is offline
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its probably that acordian fuel pipe from pump to sender presure pipe in tank and 1 piece, its probably cracked,,, but it could be many other things,, did u scan the boat when hot or for codes
?
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