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Thread: Egr issues
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Old 08-23-2018, 05:27 PM   #3
Brand: Thor Motor Coach
Model: 42FK
State: Oklahoma
Posts: 36
THOR #12199
Originally Posted by simidrm View Post
Why did they change the egr valve?
Just wondering because I work on these engines everyday (6.7l and 15l isx )
and in the last 8 yrs I have only changed 1 on a 6.7l and that was caused by a different sensor going bad and the engine ecm disables the egr valve to help protect the engine and also can affect the aftertreatment system.
This usually causes a buildup of soot to plug the egr valve and a loss of engine power since the turbo is affected by what the egr does.
We have the ISLCM2250 engine
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