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| Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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11-12-2019, 03:28 PM
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#1 |
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Not Yet Wild
 Join Date: Jun 2019
Posts: 34
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2013 yamaha gas
Okay, tired of pulling my hair out! I have spark, good compression and can visibly see fuel thru injector for about 10 pulses and still won't start. Put noid lite on injector connector and can see voltage drop after 10 flashes but should have enough there to at least start engine. I can spray a little carb clean and fires right up. I have cleaned fuel tank, replaced pump and injector as this cart has setup for about 4 years, ANYONE PLEASE?! Also no visible codes as lite holds steady for about 1 second when turning over then goes out
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11-14-2019, 01:39 PM
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#2 |
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Not Yet Wild
Join Date: Jun 2019
Posts: 34
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Re: 2013 yamaha gas
Anyone? Please any ideas will be welcome
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11-14-2019, 02:54 PM
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#3 |
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Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: 2013 yamaha gas
The only thing I have ever had to replace on that FI motor was the map sensor. And only one ever.
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11-14-2019, 03:51 PM
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#4 |
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Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,669
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Re: 2013 yamaha gas
If the cart sat for about 4 years then I'd very carefully go through all the wiring and check all of your grounds to make sure everything is good. If you can watch the voltage drop at the injector it sounds like high resistance in a connection somewhere between the computer and the injector. or maybe rodent damage... mice love wires.
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11-15-2019, 03:46 PM
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#5 |
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Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,874
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Re: 2013 yamaha gas
What error code are you getting of the dash light?
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11-15-2019, 03:54 PM
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#6 |
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Gone Wild
Join Date: May 2015
Location: Central Florida
Posts: 2,114
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Re: 2013 yamaha gas
You changed the Fuel pump? If not, that's more than likely your issue
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11-18-2019, 02:18 PM
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#7 |
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Not Yet Wild
Join Date: Jun 2019
Posts: 34
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Re: 2013 yamaha gas
Yes I have replaced the fuel pump, and still don't see any codes. Just the light on foe about a second when first trying to get it started. If I spray fluid straight into the throttle body it stays running until it is burned out from ignition and voltage never drops at injector as long as it is running, weird. while cranking I can smell fuel and have removed plug to watch spark, good blue spark and even to eliminate any issue replaced with another new NGK. Would the MAP sensor keep it from starting? I have 5.0 reference voltage to all sensors but still no start
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11-18-2019, 05:28 PM
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#8 |
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Gone Wild
Join Date: May 2015
Location: Central Florida
Posts: 2,114
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Re: 2013 yamaha gas
The sensor on top of the throttle body has been probmatic 2 screws hold it on and Godzilla tightened them up Youll see what I mean if you try to remove them. Yes that part will keep it from running. I have had them make the cart do a variety of different issues. It should throw a code however. Im not one to just throw parts at it, but you may want to call in an expert and let them do the diagnosis. Could save you some bucks in the long run.
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