fuel tank selector valve - Ford Powerstroke Diesel Forum
7.3L IDI (Non-Powerstroke) Diesels Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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post #1 of 2 Old 03-14-2012, 04:32 PM Thread Starter
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fuel tank selector valve

i need a to know what valve to get a 6 port or a 3 port? and whats the differance??
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post #2 of 2 Old 04-19-2012, 01:20 PM
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Wink 3 port v/s 6 port

If you have a powerstroke diesel with two tanks, you typically need a 6 port valve. Look under your truck at the selector valve. If it has two input tubes and one output tube, you need a 3 port valve. If it has 4 input tubes and 2 output tubes, you need a 6 port valve. On the 6 port valve, you have a fuel tube and a return tube for each tank and a fuel tube and a return tube going to the fuel pump on the engine. Check your existing selection valve.
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