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Old 07-05-2012, 02:55 PM
Neil McC Neil McC is offline
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Join Date: Jul 2012
Location: Cranbrook B.C.
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Jacobsen C 417 D mower

Can anyone tell me why the Kubota diesel engine in my mower starts and runs fine for about ten minutes, then sputters for about a minute, then quits completely. I've repaced the lift pump and fuel lines.

Any ideas ?
Thanks,
Neil
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Old 07-05-2012, 04:56 PM
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Bunton Guy Bunton Guy is offline
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Location: charlotte nc
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Have you checked the fuel shutoff solonoid?
After it shuts off how long before it starts again?
Which fuel lines did you replace? From the tank to the lift pump or from the injection pump to the injectors?
How much fuel pressure is it seeing? Check to see if the fuel pressure is dropping as it stalls.
Is there possible a failing safety switch somewhere? A low oil switch takes the oil heating up/thinning out before it shuts the motor off?
Fuel filter?
Maybe bad suction tube in the fuel tank?
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Old 07-05-2012, 05:06 PM
Neil McC Neil McC is offline
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Thank you for your information. I'll check these things out !
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