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post #1 of 3 (permalink) Old 05-22-19, 05:44 AM Thread Starter
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03 F150 occasionally cranks but no start

4 times in the last year my 03 F150 will crank but won't start. 3 of those times I did nothing and within a half hour it would fire up. A month ago I removed the fuel filter and saw that there was no fuel coming from the pump,I changed the fuel relay and it started,but it was obviously not the fix as it happened again last week,only to start 25 minutes later. Any ideas? I'm gonna change the PCM relay as a shot in the dark.

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post #2 of 3 (permalink) Old 05-22-19, 09:12 AM
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Re: 03 F150 occasionally cranks but no start

Crankshaft sensor / wiring ?

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post #3 of 3 (permalink) Old 05-22-19, 12:41 PM Thread Starter
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Re: 03 F150 occasionally cranks but no start

Thanks,I thought I would include that in the replacements.
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