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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

       
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Old 05-11-2005, 06:46 PM   #1 (permalink)
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2 fuel pumps on a 90 7.3???

I was told there are 2 fuel pumps on a my truck,It is a 90 7.3 I didn't look real hard yet but I didn't ever notice 2 pumps.
Is there 2 ???
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Old 05-11-2005, 07:05 PM   #2 (permalink)
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Re: 2 fuel pumps on a 90 7.3???

In a way, yes.

1- lift pump or fuel pump
2- injection pump

but it doesn't have pumps in the tanks so there is only one mechanical lift pump bolted to the side of the engine.
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Old 05-11-2005, 07:22 PM   #3 (permalink)
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Re: 2 fuel pumps on a 90 7.3???

word... [img]/ubbthreads/images/graemlins/biggrin.gif[/img]
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Old 05-11-2005, 09:20 PM   #4 (permalink)
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Re: 2 fuel pumps on a 90 7.3???

[ QUOTE ]
In a way, yes.

1- lift pump or fuel pump
2- injection pump

but it doesn't have pumps in the tanks so there is only one mechanical lift pump bolted to the side of the engine.

[/ QUOTE ]
Thats what I thiught,No body seems to be able to tell me why it dies at 2200.Any suggestions?? I did a filter and fuel pump.
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