Pressure protection valve
03-09-2021, (Subject: Pressure protection valve ) 
Post: #1
Pressure protection valve
Has anyone had trouble with this in the secondary air tank. It feeds my air purge and I believe my fan hub supply. Below freezing my fan stays engaged and I get code 3490 for the purge air actuator every time the truck does a passive regen. Has anyone tried cleaning this valve out as I believe it may be sludged up. Thanks Steve
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03-09-2021, (Subject: Pressure protection valve ) 
Post: #2
RE: Pressure protection valve
what year, make, model truck, engine, etc.. some history would likely help.


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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03-09-2021, (Subject: Pressure protection valve ) 
Post: #3
RE: Pressure protection valve
(03-09-2021 )Rawze Wrote:  what year, make, model truck, engine, etc.. some history would likely help.

Sorry 2015 prostar isx
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