ebpv maitenance
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Senior User
Joined: Mar 2010
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From: Madison, Mississippi
ebpv maitenance
I have read much about ebpv delete and/or cleaning the tube that runs to the sensor. I am about to delete the ebpv valve and pedestal on my f350 due to an oil leak and since I am in there I am going to delete the whole shebang....
Since I have another7.3 I am curious if anyone cleans the ebpv pipe and sensor on a ROUTINE basis along with other maintenance things they do on their 'stroke.Going to do that on my EX when time allows this spring...If someone does this about how many miles between hose cleanouts do you do it?
Since I have another7.3 I am curious if anyone cleans the ebpv pipe and sensor on a ROUTINE basis along with other maintenance things they do on their 'stroke.Going to do that on my EX when time allows this spring...If someone does this about how many miles between hose cleanouts do you do it?
Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
I can't say for sure but from what I head, it does give some input to the ECM for fueling purposes. If so, I wouldn't be in a hurry to delete it. Also, depending on the truck, it might or might not throw an SES light. Kalifornia trucks and Excursions will probably since they are hyper sensitive.
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
I would leave the EBPS, but get rid of the EBPV (which not remarkably, is what I did -- LOL). You may want to be able to see the back pressure later with AE or ScanGauge (I run the ScanGauge) -- it's actually a handy thing to see.
I took mine apart to clean it once, but it just had a fine layer of soot, so I sprayed a little B12 through the tube & sensor and reinstalled. Been fine since. And I do look at my back pressure now & then so I know it's still working.
I took mine apart to clean it once, but it just had a fine layer of soot, so I sprayed a little B12 through the tube & sensor and reinstalled. Been fine since. And I do look at my back pressure now & then so I know it's still working.
Posting Guru
Joined: Sep 2005
Posts: 2,476
Likes: 2
From: Monroe Michigan
I would leave the EBPS, but get rid of the EBPV (which not remarkably, is what I did -- LOL). You may want to be able to see the back pressure later with AE or ScanGauge (I run the ScanGauge) -- it's actually a handy thing to see.
I took mine apart to clean it once, but it just had a fine layer of soot, so I sprayed a little B12 through the tube & sensor and reinstalled. Been fine since. And I do look at my back pressure now & then so I know it's still working.
I took mine apart to clean it once, but it just had a fine layer of soot, so I sprayed a little B12 through the tube & sensor and reinstalled. Been fine since. And I do look at my back pressure now & then so I know it's still working.
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Post Fiend
Joined: Feb 2007
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From: Dallas-Ft. Worth
At idle, it will be approximately atmospheric pressure (14.7 psia, or psi absolute). You have to subtract that to get it in "gauge pressure", like your normal boost gauge reads. It really needs to be watched at the upper end of where you run. So if you're getting 25psi boost (which technically should be 25 psig to indicate gauge pressure, not absolute pressure), ideally you don't want to see over about 40 psia back pressure. That makes the boost about equal to back pressure, or a 1:1 ratio. I get 35psi with my van turbo, and about 50psia back pressure which is also 1:1.
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Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
At idle, it will be approximately atmospheric pressure (14.7 psia, or psi absolute). You have to subtract that to get it in "gauge pressure", like your normal boost gauge reads. It really needs to be watched at the upper end of where you run. So if you're getting 25 psi max boost (which technically should be 25 psig to indicate gauge pressure, not absolute pressure), ideally you don't want to see over about 40 psia back pressure. That makes the boost about equal to back pressure, or a 1:1 ratio. I get 35 psi with my van turbo, and about 50 psia back pressure which is also 1:1.
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Senior User
Joined: Mar 2010
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From: Madison, Mississippi
I'm not planning on taking out the tube and sensor...just the pedestal unhooking that solenoid and new non flapper housing from turbonetics....I have another 7.3 and was thinking of taking it off and cleaning it...just curious if others routinely clean that tube and sensor every so many 'k miles
Posting Guru
Joined: Sep 2005
Posts: 2,476
Likes: 2
From: Monroe Michigan
At idle, it will be approximately atmospheric pressure (14.7 psia, or psi absolute). You have to subtract that to get it in "gauge pressure", like your normal boost gauge reads. It really needs to be watched at the upper end of where you run. So if you're getting 25 psi max boost (which technically should be 25 psig to indicate gauge pressure, not absolute pressure), ideally you don't want to see over about 40 psia back pressure. That makes the boost about equal to back pressure, or a 1:1 ratio. I get 35 psi with my van turbo, and about 50 psia back pressure which is also 1:1.
Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
I see where I might have been writing with a little too much eggnog. This process is for the tube.
Cargo Master
Joined: Jan 2001
Posts: 2,726
Likes: 5
From: Slatington, PA
Its also not recommended to try cleaning out the sensor. You could end up poking a hole in the sensor and end up with a useless piece of plastic.
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