Lml falling on it's face and code p046c

Chevytrucks94

New member
Feb 8, 2018
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0
I have a completely stock 11 Duramax . New air filter, new fuel filter. I have an intermittent prob where it won't accelerate.. will rev around 2k surges and won't go over 10-15 mph. I'll pull over shut it off check and clear the code po46c aux emissions and usually starts up and is fine after that for days. Any help
 

FC5452

Member
Mar 17, 2013
301
0
16
Eastern PA
Your egr valve is sticking, which is causing the code and performance issues.
That valve is attached to the y bridge.
That valve falls under the emissions warranty.


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Chevy1925

don't know sh!t about IFS
Staff member
Oct 21, 2009
21,171
4,953
113
Phoenix Az
Your egr valve is sticking, which is causing the code and performance issues.
That valve is attached to the y bridge.
That valve falls under the emissions warranty.


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i dont think it falls under warranty. according to the dumb asses at the EPA, its only 2 years/24k from new.

https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P100NNQH.pdf


Ok kinda what I was thinking? What is the emissions warranty on it? As in it could still be covered?

Or am I farther ahead to delete and program?

its up to you and dependent on your state laws for emission testing what you want to do. i hate the emissions crap on these trucks