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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles



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Old 09-12-2023, 04:28 AM   #1
SamV
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Join Date: Sep 2015
Posts: 15
Default G22 no consistent fuel

I bought a running and driving 2006 G22. After I replaced the fuel filter, the fuel.pump ran dry. It struggles to start now. When it does start, it doesn't have dependable power.
When I disconnect the impulse fuel pump and crank the engine, fuel pumps at first but then tapers off.
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Old 09-12-2023, 05:57 AM   #2
rstacy
Gone Wild
Yamaha
 
Join Date: Nov 2013
Location: Western NY
Posts: 580
Default Re: G22 no consistent fuel

Do the easy stuff first.
Pressurize the tank and listen/look for a cracked line. The fuel pump would much rather suck air than gas. The plastic 90 degree elbow coming out of the tank is a good place to look for a crack.

Pull the pulse line off of the pump and see if you can blow through it without restriction. The pulse line has been known to get pinched under the airbox.

Its rare but have the screws that hold the pump together come loose?

Its just as rare for the pump to fail. If you have gotten this far, take the pump apart and see if it is full of crud.
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Old 09-12-2023, 07:46 AM   #3
tom4416
Getting Wild
Yamaha
 
Join Date: Jul 2015
Location: Tucson, AZ
Posts: 124
Default Re: G22 no consistent fuel

The fuel pickup tube in my G22 was cracked and when the fuel level dropped below the crack, it sucked nothing but air. Any air leak in any of the lines/tubes/fittings will create fuel flow problems.
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Old 09-14-2023, 03:32 PM   #4
SamV
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Join Date: Sep 2015
Posts: 15
Default Re: G22 no consistent fuel

Thank you for your replies. Turns out to be low compression, blown head gasket.
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Old 09-23-2023, 05:36 PM   #5
SamV
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Default Re: G22 no consistent fuel

I replaced the head gasket. It starts immediately and has all the power it needs.
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Old 09-23-2023, 05:36 PM   #6
SamV
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Default Re: G22 no consistent fuel

https://photos.google.com/photo/AF1Q...8zAhMsZXUlTmXY
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