2004 6.0 down - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 4 (permalink) Old 08-16-2016, 08:35 AM Thread Starter
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2004 6.0 down

I have a 2004 F250 with a 6.0 and a 126000 miles on it that is down. While driving I let off the pedal to make a turn and the oil pressure gauge dropped as soon as I touched the pedal it came back up. Pulled over and checked oil level and it was fine. Started truck back up and had pressure on gauge as long as RPM was at least 900-1000rpm. Pulled oil filter and found the plunger in the middle of the standpipe was broke. Replaced the standpipe the next day. Truck started but took a little longer than normal. Gauge showed pressure at all RPMs. Shut off truck and re-started fine. I let it run a little longer to warm up the oil and shut it down. Changed oil (5-40 Rotella) and filter(Motorcraft) and truck hasn't started since. Checked IPC pressure with a scanner and highest reading I got while cranking was about 24psi. Pulled filter again and oil was in resovoir and didn't drain back until filter came off of drain valve. Unplugged ICP sensor and still no start. Pulled oil regulator (no signs of damage/trash) replaced it anyway. No start. What should I check next? Thanks for any advice
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post #2 of 4 (permalink) Old 08-18-2016, 08:29 PM Thread Starter
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Gave up on repairing it myself. Truck is in shop.
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post #3 of 4 (permalink) Old 08-19-2016, 05:33 AM
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If your icp is only 24psi...

1. high pressure oil system leak...branch tube leak...stc fitting leak, if you have high ipr reading anywhere near 85% then this would confirm this

2. worst case would be if low press oil pump is damaged from roller cam follower needle bearings, oil pressure gauge is only a switch that activates at 5psi

Good luck on outcome, hopefully shop you took your truck into has reputable 6.0L experience.

Keep us posted on findings!

Harry

Jan 03' built 6.0/F250cc4wd trqsft/SCT-tuned by KEM-Performance/Garrett Powermax vg-turbo/blue spring mod/gauges=egt+boost+fuel+SG2/exhaust/airaid intake/DR 4.5 lift/dual bilsteins/315's/greasable ball joints/powerstop/smittybuilt/kc lights/high idle mod/roll-n-lock/Mobil Delvac1 ESP 5W40 with (Archoil AR9100 in the oil) and (AR6200 in the fuel)
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post #4 of 4 (permalink) Old 08-19-2016, 11:17 PM Thread Starter
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The ball plug came out of the hpop but the ball hasn't been found yet.
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