I have a problem in my moto 4...HELPPPPPPP

Engine, intake, exhaust, EFI, chain, sprockets, etc.
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pdrulo Espa
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Joined: Wed Mar 10, 2021 10:41 pm

I have a problem in my moto 4...HELPPPPPPP

#1 Post by pdrulo Espa »

hELLO friends, I have a problem in my moto4. My kit D&M , say
" Fuel pump open fault". The problem is electric, fuel pump?.
Thaks, sorry my ingles ys very bad.

speed2424
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Joined: Wed Mar 10, 2021 10:41 pm

Faults

#2 Post by speed2424 »

Are you having trouble with the fuel pump OR are you just getting the fuel pump open fault. My quad runs great & it has a fuel pump open fault. This fault does not seem to affect the way my quad runs.

cannondale27
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#3 Post by cannondale27 »

Speed are you sure your fuel pump circuit wasnt bypassed?Pdrulo is the quad running yet?Could be the fried ecu problem or just a broke or wore through wire.

wanablaze
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#4 Post by wanablaze »

27, I get this fault, too, sometimes. It seems to go away when the bike is warmed up?

kdeal
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Joined: Wed Mar 10, 2021 10:41 pm

#5 Post by kdeal »

Is this possibly the hex code issue??? Version 4 vs ???

speed2424
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#6 Post by speed2424 »

27, my quad is all stock. The fuel pump is still factory wired. Also the fault has gone away now. I checked it with the d&m kit today.smile.gif

speed2424
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#7 Post by speed2424 »

Sorry, It has the 4k hex code in it.smile.gif

wanablaze
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#8 Post by wanablaze »

My moto also has the 4k hex code. I only see the code sometimes and I swear that it doesn't affect performance in any noticeable way. Come to think of it, I'm pretty sure that my buddy's cannibal throws the same code. One time I also got injector open codes, but nothing was wrong or had change. I checked it 30 seconds later and there were no codes!?!

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