Question about 2006 Ford F 350 Super Duty
Takes 10 to 15 seconds to start. This morning after an hour of running I shut off truck, then a half hour later tried to start. It only cranked and would not start. Then after 5 or 6 intervals of cranking, it barely caught and slowly started
On both a 7.3l and 6.0l oil pressure is everything. Both engines use two oil pumps one for lubrication and one to fire the injectors. if your high pressure oil pump (inj pump) is weak it will take a long time for the truck to start. In order for the ficm to fire the injectors it wants to see at least 250 - 400 psi of ICP pressure. you will need a scanner to determine your high oil pressure at crank. Let me know how you make out.
Posted on Oct 25, 2008
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Posted on Jan 02, 2017
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