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1983 to 1994 7.3L and 6.9L IDI Got one of those old mechanical injected 7.3L or 6.9L trucks? This is the place for you!

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  #1  
Old Fri, January 28th, 2011, 02:09 AM
epowers777 epowers777 is offline
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Clap 6.9 idi dies going up hill

My buddy has a 84 6.9 idi with 54000 miles in it. His neighbor gave it to him. He put a new pump on it and runs good on flat land. As soon as he goes up a medium hill the truck dies. Any help would be great.
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Old Fri, January 28th, 2011, 07:01 PM
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907DAVE 907DAVE is offline
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Check lift pump pressure while this is happening.

Alot of injector pump failures are the result of a weak lift pump, this could be the root cause.
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Old Tue, March 29th, 2011, 10:34 PM
dietoremain dietoremain is offline
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54,000!?!??!?!?!
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2002 7.3 F250 Supercab Shortbox
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Autometer gauges
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Old Tue, July 19th, 2011, 11:48 PM
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Quote:
Originally Posted by dietoremain View Post
54,000!?!??!?!?!
Maybe he forgot a 0!
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