no fuel pressure cranks wont start

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06-23-2018, 07:04 AM

davis1

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no fuel pressure cranks wont start

hit fuel tank with mallet, and engine started, replaced pump with OE ford pump and relay module, ran good all day would not start next morning, replaced pump again and no results. no power to pump

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06-23-2018, 09:49 AM

2jhanna

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Have you checked, actually pulled out and looked at, fuse 27, in fuse box above radiator. There is a known problem where the fuse and/or socket contacts will overheat and melt, without blowing the fuse.

check it and report back.

fuse 27 provides power to the fuel pump (and I believe the injectors). So if it's or socket melted, no power, no start.

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06-24-2018, 08:16 AM

Tom

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We could also use some more information about your truck. Which model year and engine? Have you scanned it for trouble codes? Have you checked your fuel pressure to confirm the issue?

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