i have an f350 7.3 diesel that starts sometimes and sometimes wont start
10

Asked by lloyd1222 Dec 13, 2013 at 08:22 PM about the 2002 Ford F-350 Super Duty XLT Crew Cab LB

Question type: Maintenance & Repair

I can drive my truck for a few days then go somewhere go to start it and it wont start.  I have replaced the fuel pump, fuel filter and the cami sensor and it is still doing it help what could it be

4 Answers
40,145

James answered 10 years ago

the 7.3 wont light up till it senses 500 rpm or more at the pcm. use lighter oil, strong bats.

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bookumdano answered 9 years ago

The fuel pump on the 7.3 is a high pressure oil driven pump. If you oil level is too low (2 qts out of 14) you may not be getting fuel pressure to the injectors. Thick slow flowing oil will do the same thing.

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