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Discussion Starter · #1 ·
bought used '08 rancher 420 es.Has been running fine, started right up in garage this am. ran 5 min. and just died and won't re-start has fuel and spark no error codes on speedo, strange?
 

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IF you have fuel and spark then it should run.... that is Fuel Injected so how do you know its getting fuel? Check to see if you are in gear or in rewind. Also make sure the fuel is on as well check connections make sure nothing was loose and happen to come unconnected.
 

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I'm with him. Check to make sure the fuel is turned on. I forgot that my first time riding mine......thought I'd already broken it lol.
 

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I had a similar problem a few weeks ago w/ my king quad. It runs rich so it had fouled out the plug with in 16 hours on the OD. i pulled it out of the shed, went to open the gate jumped back on it and it died. I could not start it. Even though it is EFI. I could smell it being flooded.
 

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I agree, check your plug... is it fouled? Most EFI machines don't have a petcock valve(on/off). They have fuel pumps in the tank.... Or are my meds making me loopy???
 

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I agree, check your plug... is it fouled? Most EFI machines don't have a petcock valve(on/off). They have fuel pumps in the tank.... Or are my meds making me loopy???
I don't think the fuel pump is in the tank. They are in a car, but not an ATV.
 

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They do have a pump somewhere.My buddy's can am ds 450 had a pump every time the key came on you's here it.
 

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They do have a pump somewhere.My buddy's can am ds 450 had a pump every time the key came on you's here it.
Yeah, they do have an electric fuel pump, it's just not in the tank. It should be a big round canister type thing. Just follow the gas hose from the tank, it will lead you to it.
 

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Discussion Starter · #9 ·
Turns out that the spark was too weak to start it. I could hear the fuel pump turn on when I turned the key and smell the gas and see it on the plug after I would crank the engine a few times. I removed the plug and cleaned it with a soft wire brush and checked the plug spark by grounding it to the frame when I cranked it. I reinstalled the plug and it fired right up. I wonder if this is going to be a re-occurrng problem since the machine is fuel injected and there is no fuel mixture adjustment. Wheeler
 
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