rebuilt my 7.3 and can't get it to fire - Ford Powerstroke Diesel Forum
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Old 02-07-2012, 11:07 PM
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Exclamation rebuilt my 7.3 and can't get it to fire

I rebuilt my 7.3 and got everything put back in the truck, building oil pressure and in injectors are clicking, has fuel in the fuel bowel primed many times, but doesn't seem to be getting fuel to the injectors, I powered fuel into the bowel put air into the tank got air bubbles and tried cranking still nothing, every now And then it Will hickup And act like its going to fire but nothing, brand new motor with new pistons Pretty much fresh motor, any suggestions?
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Old 02-08-2012, 12:32 AM
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Its going to do that, There is a lot of air in the high pressure oil system. Did you fill up the reservoir?
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Old 02-08-2012, 03:37 AM
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In the heads? Yes I have oil in the heads and have cracked the bolts on the heads to see if high pressure oil was built and its there just on fuel going to the injectors... Fuel is in bowel but I've cracked the high pressure lines that run to the back of the head and theres nothing there, I've been cranking my motor for a day now
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Old 02-08-2012, 03:46 AM
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Ok well crack the lines that come off the front of the heads and allow it to bleed the air out. Its a lot easier to bleed them that way than to try and run the air through the injectors. 9/16ths fitting at the fuel pressure regulator
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Old 02-08-2012, 09:45 AM
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Thanks ill try that, crack them while cranking I'm assuming? And any other ideas or tips as to getting it to fire?
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Old 02-08-2012, 10:00 AM
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Have you checked the batteries?
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Old 02-08-2012, 10:05 AM
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Yeah there new red tops and I have my big battery charger hooked up to them and turning it to start when we crank still nothing
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Old 02-08-2012, 10:28 AM
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Is the Wait To Start light coming on/off like normal?
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Old 02-08-2012, 10:53 AM
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Yeah its coming on and doing its cycle
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