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Ironmike
Ironmike, Ford Technician
Category: Ford
Satisfied Customers: 3385
Experience:  30 years ASE Master tech L1 . Ford master
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I have a 2001 F-250 with a 7.3L Diesel. The service soon

Customer Question

I have a 2001 F-250 with a 7.3L Diesel. The service soon light came on and the motor would not run smoothly. I checked the fuel filter and it was OK. What else would be the problem?
Submitted: 1 year ago.
Category: Ford
Expert:  Ironmike replied 1 year ago.
greetings, what trouble codes are stored in the PCM? how many miles? how does the fuel pump sound?
Customer: replied 1 year ago.
I don't have a code reader at this time. There are 136000 miles on the motor. the fuel pump sound fine.
Expert:  Ironmike replied 1 year ago.
the injector harness under the valve covers and the gaskets can fail.
Expert:  Ironmike replied 1 year ago.
codes will really help pin point the cause
Expert:  Ironmike replied 1 year ago.
many parts places will scan for free these days. I have an APP for my Samsung galaxy for personal use. It works with an ODB2 Bluetooth adapter. My APP (TORQUE PRO) will pull codes, clear codes and show live data. all for under 30$
Expert:  Ironmike replied 1 year ago.
Got the ODB2 adapter off e-bay for under 20$
Expert:  Ironmike replied 1 year ago.
if you get the codes let me know and we can look at a few things that might cause them
Expert:  Ironmike replied 1 year ago.
the valve cover gaskets get hard and the harness connectors loosen and can cause misfires.
Expert:  Ironmike replied 1 year ago.
like this or worse
Expert:  Ironmike replied 1 year ago.
they sell kits for the gaskets/ harness and connectors.
Customer: replied 1 year ago.
thanks, ***** ***** get back later
Expert:  Ironmike replied 1 year ago.
great, good luck