Possible EBP surging?
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Laughing Gas
Joined: Oct 2012
Posts: 794
Likes: 1
From: Ontario
Possible EBP surging?
For a while i had surging seemed like it was mostly before 150 degrees, and only under moderate load. low or high throttle position would pull fine.
I learned to unplug the EBP sensor, i did and it stopped the surging, but i also lost my turbo at idle, it only chimes in once throttle is applied and that makes me sad, the 6.0 is known for the idle!
I pulled the sensor one weekend and cleaned it out by filling it with carb cleaner and draining a few times, lots of black came out. looked pretty clean anyways, put back on its still surging.
Keep in mind once unplugged, runs fine just idle sounds like poopy
Does this simply point to a bad EBP sensor?
I learned to unplug the EBP sensor, i did and it stopped the surging, but i also lost my turbo at idle, it only chimes in once throttle is applied and that makes me sad, the 6.0 is known for the idle!
I pulled the sensor one weekend and cleaned it out by filling it with carb cleaner and draining a few times, lots of black came out. looked pretty clean anyways, put back on its still surging.
Keep in mind once unplugged, runs fine just idle sounds like poopy
Does this simply point to a bad EBP sensor?
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
did you clean the tube that feeds the sensor?
Any live data to read the EBP sensor like Scan Gauge2 or Torque Pro? That is the key to determining if the sensor is really bad, live data.
Any live data to read the EBP sensor like Scan Gauge2 or Torque Pro? That is the key to determining if the sensor is really bad, live data.
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 794
Likes: 1
From: Ontario
If you have the scangauge code that would be swell too, day off work. so lots of time for tinkering. thanks for the help
Elder User
Joined: Oct 2014
Posts: 970
Likes: 1
From: Marietta, GA
here you go,
scroll down to the 6.0 section
https://www.scangauge.com/support/x-...cific-xgauges/
EBP, MAP, and BARO should all be very close to each other @ KOEO.
also like mentioned above, did you clean the EBP sensor tube that goes to the exhaust manifold?
scroll down to the 6.0 section
https://www.scangauge.com/support/x-...cific-xgauges/
EBP, MAP, and BARO should all be very close to each other @ KOEO.
also like mentioned above, did you clean the EBP sensor tube that goes to the exhaust manifold?
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 794
Likes: 1
From: Ontario
here you go,
scroll down to the 6.0 section
https://www.scangauge.com/support/x-...cific-xgauges/
EBP, MAP, and BARO should all be very close to each other @ KOEO.
also like mentioned above, did you clean the EBP sensor tube that goes to the exhaust manifold?
scroll down to the 6.0 section
https://www.scangauge.com/support/x-...cific-xgauges/
EBP, MAP, and BARO should all be very close to each other @ KOEO.
also like mentioned above, did you clean the EBP sensor tube that goes to the exhaust manifold?
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
most use a piece of string trimmer line and use that to rheem it out, the kind that is kind of square and has ridges on it.
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Laughing Gas
Joined: Oct 2012
Posts: 794
Likes: 1
From: Ontario
Ended up with EBP (14.2) MAP (13.6) BARO (28.5) at KOEO
17 / 14.6 / 28.6 idle
44 / 20 / 28.5 when attempting to surge
44 / 23 (i think) / 28.5 at WOT
17 / 14.6 / 28.6 idle
44 / 20 / 28.5 when attempting to surge
44 / 23 (i think) / 28.5 at WOT
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Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
Is your baro reading in kpa?
Kpa to psi conversion = kpa/2
Your chasing a surge?
The surge goes away with ebp unpluged?
Install a knowen good vgt solenoid and retest.
Its surging because ebp is the output verification of vgt function. Take away the ebp from the pcm and the pcm goes to default value and stops tring to correct a bad vgt.
Kpa to psi conversion = kpa/2
Your chasing a surge?
The surge goes away with ebp unpluged?
Install a knowen good vgt solenoid and retest.
Its surging because ebp is the output verification of vgt function. Take away the ebp from the pcm and the pcm goes to default value and stops tring to correct a bad vgt.
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Laughing Gas
Joined: Oct 2012
Posts: 794
Likes: 1
From: Ontario
Correct, surge goes away when i unplug EBP, i will not have access to a known good VGT solenoid. I don't mind having my EBP disconnected but my exhaust sounds terrible at idle like that, don't think any performance is lost though.
If it was in kpa, psi would be 14.25 which makes it all match quite well. So that would put the EBP at a good reading? So that means EBP is/could be good, VGT bad? How else can i test VGT without putting a good one in there
If it was in kpa, psi would be 14.25 which makes it all match quite well. So that would put the EBP at a good reading? So that means EBP is/could be good, VGT bad? How else can i test VGT without putting a good one in there
Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
Short awnser to vgt being bad... yes.
Very hard to test for this wich is why I suggest a knowen good before purchasing one.
You can try to active command rpm, vgt, egr while monitering ebp, iat2 and mgp. The hard part there is knowing exactly what your looking at if you can get it to do it under no load wich is unlikely.
If you do a search here on fte you will find this concern and further discussion on it.
Very hard to test for this wich is why I suggest a knowen good before purchasing one.
You can try to active command rpm, vgt, egr while monitering ebp, iat2 and mgp. The hard part there is knowing exactly what your looking at if you can get it to do it under no load wich is unlikely.
If you do a search here on fte you will find this concern and further discussion on it.
Thread Starter
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Laughing Gas
Joined: Oct 2012
Posts: 794
Likes: 1
From: Ontario
Short awnser to vgt being bad... yes.
Very hard to test for this wich is why I suggest a knowen good before purchasing one.
You can try to active command rpm, vgt, egr while monitering ebp, iat2 and mgp. The hard part there is knowing exactly what your looking at if you can get it to do it under no load wich is unlikely.
If you do a search here on fte you will find this concern and further discussion on it.
Very hard to test for this wich is why I suggest a knowen good before purchasing one.
You can try to active command rpm, vgt, egr while monitering ebp, iat2 and mgp. The hard part there is knowing exactly what your looking at if you can get it to do it under no load wich is unlikely.
If you do a search here on fte you will find this concern and further discussion on it.
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