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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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No crank signal, 2008 f250 fx4 6.4 powerstroke, yes. im a

Customer Question

no crank signal
JA: What is the model/year of your Ford?
Customer: 2008 f250 fx4 6.4 powerstroke
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: yes. im a mechanic, but not a ford specialist. this has me scratching my head. it was cranking before. just swapped in a reman motor. old motor ran but had a contribution fault on cyl 4. new motor would start for 5 sec then die. in the process of bleeding the fuel system it stopped cranking.
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: no crank
JA: Anything else you think the mechanic should know?
Customer: no
Submitted: 1 year ago.
Category: Ford
Expert:  Jared D replied 1 year ago.

These diesels will sometimes set a no crank code in the PCM is they don't detect oil and/or fuel pressure withing the first few starts.

Do you have a scan tool? If so, try clearing the codes and see if it will crank.