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04' VMAX 225 #13753843 11/02/20 08:32 PM
Joined: Mar 2012
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hawkeye442 Offline OP
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At the lake on Saturday, been running fine all day. Go to move to another spot, boat gets up on pad for a few seconds, then instantly loses power. It dropped all the way to like 700 rpm, but stayed running. Try to give it any gas at all and it would sputter and die.. I limped it back to the closest marina and I got a ride from a fellow fisherman back to the ramp I launched from. After getting the boat back home, I pull the cowling and poke around a little, I find that the power wires going to the o2 sensor are burned almost in half. I've ordered a new o2 sensor and hope that fixes the problem. My question is: Will a bad signal from the o2 sensor to the ecm cause safe/limp mode condition on the motor? or have I likely done more damage than that?

Thanks in Advance for your advice..

Re: 04' VMAX 225 [Re: hawkeye442] #13753962 11/02/20 09:59 PM
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ssmith Online Content
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a bad o2 sensor will not let the motor build power,

Re: 04' VMAX 225 [Re: hawkeye442] #13756549 11/04/20 04:32 PM
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hawkeye442 Offline OP
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Thanks!! Part comes in Today, so we'll see if that fixes it.. I sure hope it does..

Re: 04' VMAX 225 [Re: hawkeye442] #13756912 11/04/20 08:59 PM
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boatman025 Offline
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Give me a call if dont fix problem


Hughes Marine
3855 Osage Lane
Wylie ,Texas
Re: 04' VMAX 225 [Re: hawkeye442] #13757876 11/05/20 04:41 PM
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hawkeye442 Offline OP
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Thanks, I'll do that...

Re: 04' VMAX 225 [Re: hawkeye442] #13764685 11/10/20 06:25 PM
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hawkeye442 Offline OP
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UPDATE:

o2 sensor did not fix issue, thinking possible fuel delivery issue now, but, I'm not gonna just keep throwing parts at it.. Any ideas?

Re: 04' VMAX 225 [Re: hawkeye442] #13765221 11/10/20 11:25 PM
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boatman025 Offline
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Let me check it out for you


Hughes Marine
3855 Osage Lane
Wylie ,Texas
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