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My 2004 seadoo 3d rfi is acting weird at open throttle

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Appel_1978

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Bought my first seadoos and having problems already please helpmim gonna go int very detail of what's happened thanks.
I bought a 2004 seadoo 3d rfi and a 2002 seadoo rxdi for $2000 from a charity. Great price I know. All the rxdi needed was a starter and she runs great the 3d ran out of water but soon as I got it wet I couldn't go over 5 mph. Changed plugs ran better, ran ok at half throttle but bogged in and out when taking hard turns and when I tried full throttle ( rrrRRRrrrRRRrrr) it originally had check engine light on but after I changed spark plugs light was gone. Took to dealership they ran diagnostic test and not codes showed up except older cleared codes. Next step they said was to check fuel pressure and they would have to put tester in fuel line and take it to the lake to ride it under load to get accurate reading. Well when they said that would cost $280 just to joy ride my doo I couldn't justify giving them money for that and that's not even fixing the problem. So I told them I'd figure it out . They said they thought it could be fuel pump or fuel injectors, after that it could be computer or something along that line I forgot the name of part they said but they said unlikely it's that cause it should throw a code if it was. Well I soaked the bottom 4" of the pump In parts washer not cleaner overnight and emptied gas cause don't know how long it sat, fuel looked yellowish. Next day 93 oct gas and fuel injector cleaner and put it in lake. Ran ruff still for 20 min then shut it off for a few seconds to change to moto style and found out my battery was dead. Next day bought new battery road still ruff for an hour then about the time my check engine light came on it started running good only at half throttle though but I could cut hard turns and it ran smooth but soon as I gave it a little more throttle it bogged in and out again. So I hope this very detailed description helps any ideas thanks
 
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Check the engine compression, and the fuel pressure. Either of those can cause the prob's you are having.
 
Ok I have a compression kit so I can do that but how do I check fuel pressure I don't think I have the tool for that so what would I need to buy again I don't wAnt to take it to dealer just to check the pressure.
 
I just checked compassion they are both about the same between 140 and 150 so unless I'm wrong the compression should be fine. So what would you suggest getting 1st fuel injectors or fuel pump. I found a fuel pump on eBay fir $240 and injectors ar $80 each so either way I'd spend about 2 bills so which is more likely to be the problem
 
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The pressure has to be checked in line after the pump. I wouldn't just buy a pump since you don't know what the problem is yet.

And yes... the compression is fine.
 
How much is the tool to check pressure like I said Im not paying someone 285 bucks just to test the pressure. I'd rather buy all the injectors and the pump for almost the same price and be done with it. But if I can buy the tool I'll do it. Where do i buy one
 
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