DEF pump - what if it's bad?

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champ198

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Jul 15, 2016
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Lebanon, TN
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2016
Engine
6.7 Cummins
If the DEF pump is bad and is not injecting DEF into the exhaust, what happens besides you having a full tank of DEF forever?
 

crash68

ACME product engineer
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Aside from numerous error codes along with eventually not being able to start the truck(unless you jump the start enable relay out).
...you will single handedly be responsible for polluting the atmosphere so bad with NOx that everyone will get sick and die(ok...I made the last part up, but that's what the EPA wants you to think)
 

weldguy

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Oct 4, 2014
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2009
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Hemi 5.7
My neighbor had to have his DEF pump replaced with just a tick,over 50K on the truck. It cost him $2400 plus labor... REDICULOUS!
 
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