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Old 10-19-2017, 07:04 PM   #41
Bus Crazy
 
Join Date: Nov 2011
Location: Sault Ste. Marie, Ontario
Posts: 1,574
Year: 1997
Coachwork: Thomas
Chassis: B3800 Short bus
Engine: T444E
Rated Cap: 36
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Originally Posted by Bungeekord View Post
Yes have ebp sensor. Removed tube because it was clogged, it broke when i removed it. The leg from Spokane to Pt Townsend we just had a plug on the exhaust port, sensor was running open. Ordered new pipe, should be here tomorrow. Hopingvthat fixes the shifting issue...
The EBP sensor tells the EBP valve what to do, but the problem usually lies with the valve actuator. It _will_ leak oil eventually (everyone's does, it seems), may stick, all sorts of things...
If it is stuck in the closed position then you'll have no power and the engine will sound strange.
Mine wasn't working. I removed it. Easy fix.
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Old 10-19-2017, 07:44 PM   #42
Bus Geek
 
Join Date: May 2009
Location: Columbus Ohio
Posts: 9,789
Year: 1991
Coachwork: Carpenter
Chassis: International S3800
Engine: DT360
Rated Cap: 7 Row Handicap
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Originally Posted by jazty View Post
The EBP sensor tells the EBP valve what to do, but the problem usually lies with the valve actuator. It _will_ leak oil eventually (everyone's does, it seems), may stick, all sorts of things...
If it is stuck in the closed position then you'll have no power and the engine will sound strange.
Mine wasn't working. I removed it. Easy fix.
my bus came from texas.. it never had one.. i didnt believe it but turns out they were made without.. confirmed that my ECM was programmed with it disabled..

there are various methods to remove as jatzy knows.. you can even buy a turbo pedestal for one that never had it.. have someone change the EBPV setting in the ECM to disable. no codes and done..

ive driven my bus in below 0 weather and it still warms up nicely.. assuming the thermostat is good... the 444E is notorious for defective thermostats that stick partially open so the engine never warms up..

-Christopher
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Old 10-19-2017, 07:57 PM   #43
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Join Date: Dec 2015
Location: pa
Posts: 991
Year: 98
Coachwork: 1. Corbeil & 2. Thomas
Chassis: 1 ford e350 2 mercedes
Engine: 7.3 powerstroke & MBE906
Great , congrats , you got it running. Must make you feel good that You did it.
smelling exhaust might come from the pipes going from the headers to the Y with the turbo.
There are some seals in there that leak . You can see it in black soot streaks along the pipes.
Pretty easy fix. The leaks before the turbo effect both sound and power.

Later J
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