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Some help fellas

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    #1

    Some help fellas

    So before I spend time with diag figured Id ask you guys if you knew something I dont on these boats. my boat has 140 hours on it. Less than 10 hours ago I replaced all belts, plugs, both fuel filters. Now after using the boat for about 4 hours it does some weird stuff.

    It dont want to accel its feels like its out of gas and not getting fuel. Anything I should look for? Or are these Low pressure pumps crap. Any advise would be great.
    www.1320diesel.com Home of the Fastest Diesels!
    http://youtu.be/dEDdM0Y3IGs?hd=1
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    #2
    Engine model? What happens when it doesn't want to accelerate? Does it rev up in neutral and not in gear? Does it stumble or stall? More info please....
    Fixing everyone elses boat just so I can use mine...

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      #3
      PCM 330 2003 22v. No it dont rev or stall. wont throttle up power wise meaning no RPM. works great for the first 4 hours or so.
      www.1320diesel.com Home of the Fastest Diesels!
      http://youtu.be/dEDdM0Y3IGs?hd=1

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        #4
        PM sent

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          #5
          Do the usual. Check your fuel pressure, Clean your injectors. When was last time the fuel filter was changed. spark plugs. I had this problem a few years ago with my PCM ZR6 turned out to be to clogged injectors.

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            #6
            I have a little over 100 hrs on my Marine Power 350 vortec and I want to change my plugs and wires, how hard is it? anyone have oictures on how to do it?

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              #7
              Originally posted by firemangr82b1 View Post
              I have a little over 100 hrs on my Marine Power 350 vortec and I want to change my plugs and wires, how hard is it? anyone have oictures on how to do it?
              They are probably fine with only 100 hours on them! I put plugs in mine last year and they are pretty easy to get to. The only reason that I put them in is because I had a cracked one.

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                #8
                Originally posted by KonaKing View Post
                Do the usual. Check your fuel pressure, Clean your injectors. When was last time the fuel filter was changed. spark plugs. I had this problem a few years ago with my PCM ZR6 turned out to be to clogged injectors.
                Did you have to replace them? how did you clog the injectors ? and or not get misfires? Boat shop told me the map sensor is probably it BUT thats not right because it would still throttle up of TMap. TPS looks a little work and is bothing me. So new TPS is on and going to replace both the low pressure and high pressure fuel pumps
                www.1320diesel.com Home of the Fastest Diesels!
                http://youtu.be/dEDdM0Y3IGs?hd=1

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