Question about Ford E-150

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High press pump on rail of my 1988 ford E150 van will not run

We do not get power to pump through normal trial if we jump pump to bat it runs and almost sounds like it is drawing air? we have check fuel pump relay all good there. we are having trouble with the front tank pump wont come on either but the rear does. could the problem be in the switch over valve if so where is it located.where can i get a true wiring dia. for the specific model and yr? any help would be greatly appreciated........thanks dave

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If it sounds like it is drawing in air your going in the right direction with the solution. check the factory outlet for a diagram. the mechanics there will or should print one for you

Posted on Feb 03, 2009

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