04 f450 starts then shuts of.change fuel filters and rgr

Asked by Nov 17, 2015 at 11:45 AM about the 2004 Ford F-450 Super Duty

Question type: Maintenance & Repair

7 Answers

7,885

battery terminals clean and tight

yes. also replaced the fuel filters and EGR valve. Gets proper voltage from alternator. Starts and runs, actually drove it approx 15 miles both at highway speeds and local without issue. then went to restart it and it shut right off. did this 5 or 6 times then ran fine for an hour then shut off again. restarted right up and ran for 45 minutes to an hour and shut off. when it shuts off, it does not sputter or run rough, actually shuts off like you turned the key off. Checked oil pressure, and condition as well as the filter. its also good. checked the wires as well (wiggle tested) with no problem found. NO CODES, history, present, pending, or permanent.

7,885

what was the voltage coming from the alternator

voltage coming from alternator is 14.4

19,110

Had the same problem with a 05 Ford F-150 a while back come to find out after a lot of head aches the rubber fuel line coming from the steel fuel line that runs along the frame to the fuel pump was collapsing shutting of fuel once it set for a while hose would go back is normal shape and start and run again until hose collapsed again.

19,110

Not saying this is your problem but it worth checking into.

The lines are good. runs for half hr then shuts off.fire back up then shuts off right away

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