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Msix21
Apr 11, 2014, 12:57 PM
I have a 7.3 that starts fine in the morning or has be off for a long period... but when I shut it off after it get to running temp it will not start unless u pull it off.. what could be my problem?

TxGreaseMonkey
Apr 11, 2014, 03:18 PM
Sounds like an old, tired fuel pump. Pump clearances may be increasing when it heats up, causing the fuel pressure to drop. Try installing a new Motorcraft fuel pump. I would also replace the under hood fuel filter and the fuel filter on the frame.