05 lly p0238

[durawhore]

2005 lly duramax all stock besides an egr block off plate. any advice on how to fix the issue?

 

[durawhore]

Ttt

 

[cstephens93]

Not sure.

I have had P0238 pop up a few times when driving on my highest HP tune

 

[durawhore]

Anyone? truck is gutless with the code

 

[Lparrill]

Have you logged it to see what the MAP sensor is seeing?

I'm sure you already know this but that's an overboost code.

 

[Chevy1925]

http://www.dieselplace.com/forum/63...neration-2004-5-2005-lly/25114-dtc-p0238.html

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