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Old 07-03-2018, 08:44 AM
4stauffers 4stauffers is offline
TT Newbie
Join Date: Aug 2017
Posts: 9
2014 X25 -- Runs on land, not in water

I have a 2014 X25 with 6.2 OPS -- Engine starts and runs great out of the water. When you put it in the water it starts, rough idle then pops through the intake. We put a new fuel pump in -- fired right up and ran great for 5 min then died. Ilmor said cats/manifold must be clogged and boat can't handle the back pressure -- Installed new manifolds and it does the exact same thing. They then found a dirty injector -- we replaced all the injectors and it does the same thing. No codes. Any thoughts?
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Old 07-04-2018, 01:16 AM
Cumminscj Cumminscj is offline
TT Enthusiast
Join Date: Oct 2016
Boat: 86 Magnum Skier
Location: Southeast
Posts: 281
Was it these engines that had the problems with the distributor and you had to move it one tooth and then retime it?
1986 Marlin Magnum Skiier-sold
2000 Maristar 210VRS-weekend ride
1996 205 with LT1 cracked block-winter project
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back pressure, ecm, fuel pump, stalls, x25

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