Ever seen HPOP with zero flow?
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Senior User
Joined: Feb 2008
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From: mechanicsville VA
Ever seen HPOP with zero flow?
hey guys got a problem with truck.
went to start it the other day and it shut right off and wouldnt start back up. no sputtering it just died. went throught all the basics found nothing. hooked it to scanner and found 0 psi HPO. thought it was kind of weird to have 0, unplugged icp and still no start. checked HPOP res and it was full, so i pulled one of the plugs of the side if the head on cranked truck and zero i mean ZERO oil came out. cranked twice for 20 seconds. pulled gear cover off behind backpressure sensor and bolt was tight. gear was turning. swaped IPR,s and still nothing. i wouldnt think ipr cound dump enough back to oil pan to make none come out of heads right? can something internal break in these pumps? thanks i advance for help
went to start it the other day and it shut right off and wouldnt start back up. no sputtering it just died. went throught all the basics found nothing. hooked it to scanner and found 0 psi HPO. thought it was kind of weird to have 0, unplugged icp and still no start. checked HPOP res and it was full, so i pulled one of the plugs of the side if the head on cranked truck and zero i mean ZERO oil came out. cranked twice for 20 seconds. pulled gear cover off behind backpressure sensor and bolt was tight. gear was turning. swaped IPR,s and still nothing. i wouldnt think ipr cound dump enough back to oil pan to make none come out of heads right? can something internal break in these pumps? thanks i advance for help
Thread Starter
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Senior User
Joined: Feb 2008
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From: mechanicsville VA
i assume its factory. i bought it with 62000 on it.
Cargo Master
Joined: Jun 2010
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From: Louisiana
I had one do that after it self destructed! I'm guessing your using a scan gauge. What does the duty cycle show? Have you tried unplugging the icp? It should default to an adjusted chart and look like it has pressure. Just curious if everything else is working like it should.
Thread Starter
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Senior User
Joined: Feb 2008
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From: mechanicsville VA
I had one do that after it self destructed! I'm guessing your using a scan gauge. What does the duty cycle show? Have you tried unplugging the icp? It should default to an adjusted chart and look like it has pressure. Just curious if everything else is working like it should.
Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
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Senior User
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From: mechanicsville VA
Oh your saying it should show the default reading with it unplugged. Yes that makes since. I didn't that. What is the default? 750 right ?
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Thread Starter
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Senior User
Joined: Feb 2008
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From: mechanicsville VA
Well I'm going to go ahead and put a pump on it. I figured I might as well put a aftermarket one on it I was thinking a adrenaline. any thoughts? I'll let y'all know if I find any thing broke inn pump when I pull it off thanks guys
Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
Ok now that I re read your first post your probably right. Since your truck won't be running pull the hpop res off and see if the screen filter is full of brass shavings. Mine was when my 1st srp1 failed. By the way did you check your options on hoops? Search T500. And I think it's even a lil cheaper!
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Senior User
Joined: Feb 2008
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From: mechanicsville VA
Ok now that I re read your first post your probably right. Since your truck won't be running pull the hpop res off and see if the screen filter is full of *** shavings. Mine was when my 1st srp1 failed. By the way did you check your options on hoops? Search T500. And I think it's even a lil cheaper!