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Help... 820 with no power

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Joined: 25 Sep 2012
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PostPosted: Tue Sep 25, 2012 11:23 am    Post subject: Help... 820 with no power Reply to specific post Reply with quote

I have a '72 JD 820 3cyl diesel tractor. It starts fine, but after about 7 - 10 minutes, it starts to lose power, and will stall. It does this sitting at idle or when under load. As it starts to lose power, increasing throttle doesn't change how it runs. It stalls. After a few minutes, it will start right up... 7 -10 minutes later, it stalls again. I have bled the system and changed both fuel filters and cleaned the bowls. Is it an injector pump issue or injector issue?
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Tx Jim
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Joined: 14 Feb 1999
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PostPosted: Tue Sep 25, 2012 11:45 am    Post subject: Re: Help... 820 with no power Reply to specific post Reply with quote

Check the fuel return line and return fitting at the inj pump for blockage. Have you checked that to determine good fuel flow from tank to inj pump? Is fuel cap venting??

Last edited by Tx Jim on Tue Sep 25, 2012 11:47 am; edited 1 time in total
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