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7.3 Powerstroke 99-03 Powerstroke Discussion |
08-08-2014, 07:36 PM
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#1
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Name: StrokerSmoker73
Title: Green Behind the Ears
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2001 7.3 shut off while driving
Was driving down the road and noticed my truck sounded like it was running rough. Wentdown the hill and turned around to head back to the house and on the way up the hill the truck started to spit and sputter. I put the truck in neutral and coasted and tried to rev it up and it was still spittin and sputtering then it shut off. Truck will crank completly fine just wont fire up. Changed CPS and tested fuel pressure, its at 60psi at fuel bowl. What could cause this my buddy said it might be the hpop. We scanned it and nothing came up on the scan.
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08-08-2014, 09:20 PM
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#2
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Name: bigdaddys
Title: Rookie
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Injector "o" rings will cause a no start. Take valve covers off and turn over, look for oil puddling up around base of injectors
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08-08-2014, 09:21 PM
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#3
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Name: bigdaddys
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You need a scanner to monitor live data to really know for sure
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08-09-2014, 08:32 PM
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#4
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Name: StrokerSmoker73
Title: Green Behind the Ears
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Well the injectors only have 4000miles on them, and its hard to get live feed from tje scanner cause it wont run
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08-10-2014, 08:28 AM
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#5
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Name: Pocket
Title: Nothing to see here
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Join Date: Apr 2008
Location: Parker, CO
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Posts: 4,143
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Quote:
Originally Posted by StrokerSmoker73
Was driving down the road and noticed my truck sounded like it was running rough. Wentdown the hill and turned around to head back to the house and on the way up the hill the truck started to spit and sputter. I put the truck in neutral and coasted and tried to rev it up and it was still spittin and sputtering then it shut off.
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Did you check the oil level?
__________________
Curtis
2002 F-250 PSD
Gambling with 250/200's on PMR's
478hp/851tq on Haller's dyno - 7/28/12
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08-10-2014, 04:54 PM
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#6
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Name: StrokerSmoker73
Title: Green Behind the Ears
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Join Date: Jan 2014
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Posts: 65
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Yes oil level is fine, and oil was change about 3000miles ago
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08-10-2014, 05:50 PM
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#7
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Name: bigdaddys
Title: Rookie
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Quote:
Originally Posted by StrokerSmoker73
Well the injectors only have 4000miles on them, and its hard to get live feed from tje scanner cause it wont run
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With the right machine. You can monitor your ICP pressure while cranking.
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08-10-2014, 05:51 PM
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#8
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Name: bigdaddys
Title: Rookie
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Sounds like your idm took a crap. Usually with an hpo problem you get a low ICP code
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08-11-2014, 02:14 AM
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#9
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Name: StrokerSmoker73
Title: Green Behind the Ears
Status: Not Here
Join Date: Jan 2014
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Posts: 65
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I just put a hpop gauge on it today and im reading 0 psi while cranking, i know i got to have at least 500psi to start the truck. So is there any other possibilities that it could be?
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08-11-2014, 06:09 AM
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#10
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Name: Pocket
Title: Nothing to see here
Status: Not Here
Join Date: Apr 2008
Location: Parker, CO
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Posts: 4,143
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Quote:
Originally Posted by StrokerSmoker73
I just put a hpop gauge on it today and im reading 0 psi while cranking, i know i got to have at least 500psi to start the truck. So is there any other possibilities that it could be?
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Bad IPR or IPC.
__________________
Curtis
2002 F-250 PSD
Gambling with 250/200's on PMR's
478hp/851tq on Haller's dyno - 7/28/12
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08-12-2014, 06:32 AM
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#11
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Name: StrokerSmoker73
Title: Green Behind the Ears
Status: Not Here
Join Date: Jan 2014
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Posts: 65
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I unplugged the ipr, that should send the truck into a generic mode and the hpop should work, but even if the ipr or ipc was bad the hpop should still create some preasure while cranking right?
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08-12-2014, 07:11 AM
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#12
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Name: will24
Title: That guy
Status: Not Here
Join Date: May 2010
Location: South Williamsport, PA, Elverson, PA and Luray, VA
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Posts: 2,719
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2001 7.3 shut off while driving
ICP disconnected the truck should go into default mode. Truck shouldn't run with the IPR disconnected. 0 ICP is bad no matter what though. Does the guage build engine oil pressure during cranking?
__________________
Last edited by will24; 08-12-2014 at 07:18 AM.
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08-12-2014, 09:03 PM
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#13
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Name: Pocket
Title: Nothing to see here
Status: Not Here
Join Date: Apr 2008
Location: Parker, CO
Member`s Gallery
Posts: 4,143
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Quote:
Originally Posted by StrokerSmoker73
I unplugged the ipr, that should send the truck into a generic mode and the hpop should work, but even if the ipr or ipc was bad the hpop should still create some preasure while cranking right?
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Don't unplug the IPR.
ICP can be unplugged to test. If it starts and runs with ICP unplugged, but won't when it's plugged back in, you found the culprit.
If unplugging the ICP does nothing, then check the oil level in the HPOP reservoir. If theres oil in there, most likely it's a bad IPR stuck wide open not letting the HPOP build pressure. Far less common is a failed HPOP.
__________________
Curtis
2002 F-250 PSD
Gambling with 250/200's on PMR's
478hp/851tq on Haller's dyno - 7/28/12
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08-12-2014, 09:27 PM
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#14
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Name: will24
Title: That guy
Status: Not Here
Join Date: May 2010
Location: South Williamsport, PA, Elverson, PA and Luray, VA
Member`s Gallery
Posts: 2,719
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And if the reservoir is empty then you need an oil pump or the pickup tube is loose
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08-17-2014, 06:36 PM
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#15
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Name: StrokerSmoker73
Title: Green Behind the Ears
Status: Not Here
Join Date: Jan 2014
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Posts: 65
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Changed the hpop out and trucks runs way better than it did before
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