Need Help Pleasee!
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Joined: May 2007
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Need Help Pleasee!
Well driving home from Tenn. about a week ago the truck misses twice n when i go to pull over it dies, pop the hood and see a little oil underthere thinking i blew another <ACRONYM title="High Pressure Oil Pump">hpop</ACRONYM> line. i trailer it the rest of the way home and tear into it, i replace an o ring thats been leaking ang go to start the truck to see what line has a hole and wont start.
has oil pressure but takes a LONG time to build, pulled plug on resivoir oil squirts out while cranking and pulled plug on the head and oil pumps out while cranking.
has fuel pressure
any sugguiestions? ive checked the oil level, switched chips, <ACRONYM title="Powertrain Control Module">pcm</ACRONYM> thinking it fried it, all plugs, everything......
has oil pressure but takes a LONG time to build, pulled plug on resivoir oil squirts out while cranking and pulled plug on the head and oil pumps out while cranking.
has fuel pressure
any sugguiestions? ive checked the oil level, switched chips, <ACRONYM title="Powertrain Control Module">pcm</ACRONYM> thinking it fried it, all plugs, everything......
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i am leaning more torwards electrical now.
The only thing still have me thinking oil is the fact it takes forever to build oil pressure, and when it does it still doesnt start.
and when i say forever, i mean 6 or so cranks at 10 or 15 seconds a peice.
The only thing still have me thinking oil is the fact it takes forever to build oil pressure, and when it does it still doesnt start.
and when i say forever, i mean 6 or so cranks at 10 or 15 seconds a peice.
Senior User
Joined: Jan 2007
Posts: 193
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From: Van Alstyne, TX
No smoke, no fuel.....Possibly pull a valve cover to see if you are getting oil out of the injectors? Check a wiring harness to see if you are getting voltage to the injectors? Where are you checking your HPOP oil pressure?
Sorry if I am just asking questions, but I feel that I am missing something.
Sorry if I am just asking questions, but I feel that I am missing something.
Because racetruck
Joined: Apr 2007
Posts: 2,786
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From: Monterey Bay, CA
Kenny, do you have access to AE or someone with it? I would be curious to see your ICP and Duty Cycle while cranking. Had the same kind of thing happen when my old hpop failed. Its rare but it happens. Check the ICP and IPR too
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Of the next Riffraff East
Joined: Oct 2004
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From: Concord NC
Kenny, sorry you had problems getting home, thought you were good to go. How's your oil level? If it's low, it could be a problem. Did you find what busted on you? Are you gauges and lights coming on when cranking? Everything look normal other than not cranking? I know, lots of questions, but the more we know, the more we can help.
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Post Fiend
Joined: Mar 2007
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From: Texas
What are you using to read oil pressure? The idiot gauge on the dash? I'm assuming the oil shot out of the plug on the HPOP reservoir immediately on cranking?
Did you check the fuses with a test light or visually? WTS light coming on and going off after a few seconds like normal? Tried starting with the ICP unplugged? Tin nut fall off the back of the IPR? Any chaffed or shorted wires on the ICP? IPR? 42 pin connector?
Did you check the fuses with a test light or visually? WTS light coming on and going off after a few seconds like normal? Tried starting with the ICP unplugged? Tin nut fall off the back of the IPR? Any chaffed or shorted wires on the ICP? IPR? 42 pin connector?
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truck wont start, just cranks n cranks and cranks.
yes i am using the idoit guage for reading, i have no way of reading oil psi, my buddy has a nice tool i think hes gonna come over tomorrow so i can read oil psi while cranking.
if i unplug the icp and it starts that means its bad? doesnt it being unplugged and not working gonna do the same thing?
tested all fuses with a test light
when i pulled plug on resivoir it came out almost immediatly, but i had been playing/cranking all after noon trying to start it, so it had time to get oil up there, but when i went out this am to try i tried several times and oil pressure gauge on dash never moved.
lpop is 18 months old...
oil level good....
sorry if i missed anythinggg,thanks for the help guys!!!
yes i am using the idoit guage for reading, i have no way of reading oil psi, my buddy has a nice tool i think hes gonna come over tomorrow so i can read oil psi while cranking.
if i unplug the icp and it starts that means its bad? doesnt it being unplugged and not working gonna do the same thing?
tested all fuses with a test light
when i pulled plug on resivoir it came out almost immediatly, but i had been playing/cranking all after noon trying to start it, so it had time to get oil up there, but when i went out this am to try i tried several times and oil pressure gauge on dash never moved.
lpop is 18 months old...
oil level good....
sorry if i missed anythinggg,thanks for the help guys!!!
Of the next Riffraff East
Joined: Oct 2004
Posts: 8,679
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From: Concord NC
A bad ICP will sometimes cause false signal to the PCM, unplugging it will cause the PCM to default and allow it to crank, but won't run very well, but could point to a bad one. Make sure the oil spray you had didn't create a problem in one of you plugs. Maybe your IPR plug? Make sure the IPR nut hasn't come off. are any lights or relays clicking while you are cranking?