01 7.3 Wont Start After Oil Change & HPOP is full - Ford Powerstroke Diesel Forum
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Old 02-29-2012, 01:06 PM
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01 7.3 Wont Start After Oil Change & HPOP is full

Changed the oil in a 01 7.3 without filling the new oil filter. It started and ran for 10 second then started to bog down and almost died then picked back up and ran fine let it run for a few minutes and shut it down for the night. Next day i went to start the truck and it started fine ran for 10 seconds bogged down and died and wont restart. I thought for sure the HPOP was empty but its full. I put 2 new batteries in it for giggles and tried it again today after sitting all night and it cranks and hits infrequently like its trying to start but wont. What could it be?

Last edited by DENALI; 02-29-2012 at 02:01 PM.
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Old 02-29-2012, 06:03 PM
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your HighPressureOil system is probably still full of air pockets.

try and start it by cranking for 10 sec intervals with the accelerator pedal 1/2 way down.
Once it fires up, rev it to like 1500rpm's for 30 seconds or so, then go drive it for like 10 miles. it takes a little while for the air to get out of the high press oil pump/rails

just my .02
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Old 02-29-2012, 06:03 PM
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and be sure to let the starter cool down between start attempts.
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Old 02-29-2012, 06:07 PM
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Do you have oil pressure on the gauge when it is running?
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Old 03-01-2012, 07:22 AM
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Quote:
Originally Posted by forddieseldoctor View Post
Do you have oil pressure on the gauge when it is running?
Before i changed the oil it had pressure, while cranking it now it has great pressure on the guage but i just cant get it to run. It hits on occasion and i get smoke out of the tailpipe but it wont start.
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Old 03-01-2012, 06:17 PM
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Where are you located? What's the temps there? If you got smoke then that means that you are getting fuel. This would generally point to a glow plug issue. I'm thinking it's just a coincidence. I would start by checking glow plug relay.
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