1985 6.9l stumbling
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Joined: May 2007
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1985 6.9l stumbling
I have an 85 F-250 with the 6.9L diesel and she drives fine unless I'm going above 50 and let off the throttle, then she starts bucking and then shuts off. I installed a new fuel filter and injectore cleaner, it's not as bad but the roblem is still there.
Jeremy
Jeremy
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Joined: Jan 2001
Posts: 56,984
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From: Virginia
Click on this link. It wil take you to the old IDI diesel forum on this board. I am not trying to push you out of this forum, but those diesels are a little bit different animal and there are some guys in the forum in the link that really know what's going on with those engines.
https://www.ford-trucks.com/forums/forum117/
https://www.ford-trucks.com/forums/forum117/
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