bps code??
Thread Starter
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Cargo Master
Joined: Jul 2015
Posts: 3,076
Likes: 21
From: Aransas Pass, Tx
Also, what is the correct EBPS for our trucks???
I am seeing several that look the same but have different part numbers, for example:
DPFE1
DPFE3
EGR172
All between $85-$120
I am seeing several that look the same but have different part numbers, for example:
DPFE1
DPFE3
EGR172
All between $85-$120
Fleet Mechanic
Joined: Jan 2011
Posts: 1,793
Likes: 74
From: Richland, WA
Fleet Mechanic
Joined: Jan 2011
Posts: 1,793
Likes: 74
From: Richland, WA
What year is your donor engine, cause there is a different one listed for '94-'96 trucks. Although you probably still want the '97 sensor to match your PCM. I'm not sure what the difference is between the two sensors. Maybe call Riffraff before ordering unless someone else chimes in.
Thread Starter
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Cargo Master
Joined: Jul 2015
Posts: 3,076
Likes: 21
From: Aransas Pass, Tx
I actually had the same exact question, Darrin. Clay was on the other line but should call me back when he is off.
They physically look the same, but they have different part numbers. That might be why the 97 sensor I have in now is throwing a code, and the original might have been bad this whole time and the PO took the CEL bulb out....
They physically look the same, but they have different part numbers. That might be why the 97 sensor I have in now is throwing a code, and the original might have been bad this whole time and the PO took the CEL bulb out....
Fleet Mechanic
Joined: Jan 2011
Posts: 1,793
Likes: 74
From: Richland, WA
That sounds like genius right there... Check engine light on and won't go away, just pull the bulb! 
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Lead Driver
Joined: Apr 2016
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From: Bahstun
I did that on a 84 vett, injection sucked and switched over to carb
Lead Driver
Joined: Oct 2003
Posts: 8,476
Likes: 37
From: Madison, WI
+1; that ^^^^ reading is high. I guess it depends on how much beyond the _engine_ got swapped. If the OP is using the original PCM, he'd be best to use the original sensors and outputs controlled by the PCM. If the EBPS in service now is the one that was on the donor engine, that would be the first thing I'd swap back to the original.
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Cargo Master
Joined: Jul 2015
Posts: 3,076
Likes: 21
From: Aransas Pass, Tx
Ok, I talked to clay. He said that with the 97 pcm and engine harness, I should use the 97 style sensor, which is in there now. Since it's still throwing a cel, I will have to assume that it's faulty and I will be replacing it.
It's interesting to me that people can run pcms from 97 (eg. A naw6) in a 1995 model truck with the earlier style sensor and not have problems??? Clay mentioned the plug was different, so maybe that is what would cause you to not be able to use the early sensor in a late application.... I don't know. Hopefully the new sensor fixes this mess.
It's interesting to me that people can run pcms from 97 (eg. A naw6) in a 1995 model truck with the earlier style sensor and not have problems??? Clay mentioned the plug was different, so maybe that is what would cause you to not be able to use the early sensor in a late application.... I don't know. Hopefully the new sensor fixes this mess.
Elder User
Joined: Dec 2005
Posts: 776
Likes: 3
From: Felton, Delaware
Ok, I talked to clay. He said that with the 97 pcm and engine harness, I should use the 97 style sensor, which is in there now. Since it's still throwing a cel, I will have to assume that it's faulty and I will be replacing it.
It's interesting to me that people can run pcms from 97 (eg. A naw6) in a 1995 model truck with the earlier style sensor and not have problems??? Clay mentioned the plug was different, so maybe that is what would cause you to not be able to use the early sensor in a late application.... I don't know. Hopefully the new sensor fixes this mess.
It's interesting to me that people can run pcms from 97 (eg. A naw6) in a 1995 model truck with the earlier style sensor and not have problems??? Clay mentioned the plug was different, so maybe that is what would cause you to not be able to use the early sensor in a late application.... I don't know. Hopefully the new sensor fixes this mess.
Elder User
Joined: Dec 2005
Posts: 776
Likes: 3
From: Felton, Delaware
That is strange. The light would drive me crazy though. Maybe try cleaning the connector with electronic parts cleaner and check connector otherwise the sensor would be next id guess. Did you say you had the EBPV bypassed? Maybe its trying to test it and isnt seeing the pressure build up at the EBPV it should be on start up when it tests it. I havent deleted mine yet so i am not sure what happens when you do
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Cargo Master
Joined: Jul 2015
Posts: 3,076
Likes: 21
From: Aransas Pass, Tx
Yeah, there is nothing in the outlet of the turbo. I drilled the rivets out and replaced the shaft with a freeze plug.
Cleaning the connector and replacing the sensor are what I'm doing tomorrow/Sunday. I'll report back
Cleaning the connector and replacing the sensor are what I'm doing tomorrow/Sunday. I'll report back