Join Date: Jun 2008
Location: Brampton, Ontario, Canada
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Does the engine start when it's cooled down? Does the high pressure oil reservoir fill with oil as the engine is cranked over? If it doesn't, your low pressure oil system is starving the high pressure oil system supply, which can either be caused by a worn low pressure oil pump or a torn oil pickup gasket. If oil fills up the high pressure oil reservoir normally, you'll need to focus on the high pressure oil system. Do you have access to the 7.3L block-off tools? If not, perhaps it would be a good idea to borrow them from your local nearest dealer as well as the coupler release tool to remove the high pressure oil supply hose to each bank. You can block off one bank at a time to see if the engine starts afterward and if it doesn't, you'll need to block off both banks, dead-heading the high pressure oil pump to check its output. I believe you should see ICP pressure climb rapidly to 1500psi with both banks blocked off.
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Ford Diesel/Senior/Master Tech who placed 2nd overall in Ontario on the Fix-It-Right-First-Visit score for 2010
....who works at a dealership that now employs SOME half decent looking female employees since they overhauled most of the administrative staff
....but STILL loves hot women with big boobies
....and STILL hates working on E-Series with 6.0L