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Have a F250 with 5.4L engine, I drive it down the road, and

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engine stalls out. Does not...
Have a F250 with 5.4L engine, I drive it down the road, and engine stalls out. Does not do this all the time. No Trouble Codes found. Took fuel pressure test, holds 36psi. Has new fuel filter. Could CMP sensor or CKP sensor cause this Or is this Electrica.
Submitted: 1 year ago.Category: Ford
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Answered in 1 minute by:
3/12/2016
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago
john -aka eauto
john -aka eauto, The Car Guy
Category: Ford
Satisfied Customers: 16,546
Experience: ase tech over 15 years in the field
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when it stalls does it restart? do you have fuel pressure when it stalls?

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Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

what year is it

?

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Customer reply replied 1 year ago
Year 2003, yes it restarts after about 2 or 3 min, also checked PVC and hoses all good.
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

can you duplicate the stall with a fuel pressure gauge attached to see if it is a fuel pressure loss?

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Customer reply replied 1 year ago
Ben trying to do that. Put fuel pump in last week, drove it with no symptoms, four a week, did it again today. cleaned all ground cables and pos leads. checked relay, checked out ok, but replaced it. checked vacuum at pressure regulator, has vacuum, but should pressure psi go up or down with line not hook up.
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

did you check the fuel pump driver module?

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Customer reply replied 1 year ago
is it in fuel tank?
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

no rear frame above spare tire

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Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

they tend to corrode from water and moisture

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Customer reply replied 1 year ago
Will do that, hope that it is it. Let you know.
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

ok let me know

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Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

Please remember to only rate my service when you are satisfied. IF you feel the need to rate "Poor Service" or "Bad Service", please stop and reply to me via the REPLY TO EXPERT button with the issue you have. I will be happy to continue further and do everything I can to provide you with the service you seek.

I am not paid unless I get a rating of 3 to 5 Stars/Smiley Faces. If I have helped you with your question, please give me an appropriate rating so that I get credit for helping you

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Customer reply replied 1 year ago
I will john. How good are you on Dodge trucks Troubleshooting????
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

yup

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Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

pretty good...

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Customer reply replied 1 year ago
OK, it will be next after I get my ford done thanks.
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

great

Please remember to only rate my service when you are satisfied. IF you feel the need to rate "Poor Service" or "Bad Service", please stop and reply to me via the REPLY TO EXPERT button with the issue you have. I will be happy to continue further and do everything I can to provide you with the service you seek.

I am not paid unless I get a rating of 3 to 5 Stars/Smiley Faces. If I have helped you with your question, please give me an appropriate rating so that I get credit for helping you

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Customer reply replied 1 year ago
Hi john, me jimmy, checked for fuel pump driver module, under tire. does not have one. looked all over.
Customer reply replied 1 year ago
Did notes fuel psi goes up to 40 when truck is off. stays at 34psi when running.
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

what does the psi drop to when it stalls...you may have the year before the driver module

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Customer reply replied 1 year ago
Hi john , truck would not start this moring. no fuel psi. checked fuse ok . how can I check relay ground
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

did you verify power at the fuel pump yet?

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Customer reply replied 1 year ago
will do that Monday work sunday.
Ford Mechanic: john -aka eauto, The Car Guy replied 1 year ago

k let me know

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