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  #1  
Old 08-28-2017, 12:16 PM
uliwake uliwake is offline
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Join Date: Dec 2015
Boat: xstar 2005. xstar 2014 6.2L
Location: middle east
Posts: 54
8.1 xstar rpm and throttle issues , help need it

I am trying to help a good friend of mine , he bought xstar 40th anniversary with 8.1 engine . The engine was broken so straight away he ordered a brand new long block .

So engine starts up perfect, as soon as you take the RPM up to say 1000RPM stays at that for about 10 seconds then rises up to between 1000 and 2500 (without moving throttle), then when you bring it back to neutral position the engine stops ...

Any help or ideas where to look will be great

Thanks so much
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  #2  
Old 08-30-2017, 12:49 PM
uliwake uliwake is offline
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Join Date: Dec 2015
Boat: xstar 2005. xstar 2014 6.2L
Location: middle east
Posts: 54
At the end was a clogged fuel assembly , rusty fuel pump and fuel filter full of particles , seems as the tank got salt water inside . So changed fuel pump , emptied old fuel and cleaned tank and it works like a champ.
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