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Have a MSU 500 that we got from my wife's uncle a while back. We've had it running and hauling around the property but it stopped a few months ago after what I thought was running out of gas and I'm just getting to looking into it.
Had fuel to the injector but nothing coming out the injector so swapped with new injector and installed inline filter in the supply hose from fuel pump. Tried again and still nothing but noticed this time that I can't hear the fuel pump priming.
Pulled off the electrical connection and I'm getting 12V to the fuel pump but it won't run. Put it on a test bench and got it to run so put test lamp between +ve and -ve terminals on the connector and nothing. Checked against the passenger seat securing post and get a light.
Tried chasing the wire back and think that the ground is through the ECU but not 100% sure. Can someone confirm for me? And if it is through the ECU, is the ECU just grounded against the frame or is it wired through to the battery?
Thanks in advance and hope this all make sense!
I have a Coleman 550. Was having problems to start with where it would start and then shut off after a couple tries. It would take off and be good. It then got to a point where it would not start at all. I replaced the fuel injection twice the second time I replaced it I noticed a mouse or something had chewed one of the wires that connect the electrical to the fuel injector. . So two-part question first does anybody have a part number for that wire harness? Second, any other ideas after I fix the wire harness permanently on what could keep it from starting I have gas flow up to the fuel injector.
Bought my 2009 Yamaha Rhino, (fuel injected of course), recently from the original owner. Only had 500 miles and 70hrs. Starts reliably, however, it will not idle but about 50% of the time. Also, when driving slow in low or high, that is to say, relatively low rpms and below about 10 mph, it bucks and almost wants to die..... not smooth at all. However, at speed (say 12-15 mph or more) it runs very well, like it should. Any ideas?
2025 hisun ntx 550 intermittent clunking sound every 5 to 10 seconds coming from engine compartment when going gown hill in high gear two wheel drive with foot off the accelerator. Any suggestions would be helpful.
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