PO401 duramax code

Reply Subscribe

Thread Tools

Search this Thread

01-11-2009 | 02:14 PM

justrunit

Thread Starter

10 Second Truck Club

Joined: Apr 2006

Posts: 32

Likes: 0

From: Bay Springs MS

PO401 duramax code

What causese this code on a 06 duramax superchips programmer and a magna flow ex and a cold air kit got egr vavle changed still coming on.

Reply Like

01-11-2009 | 02:18 PM

EVILGMC

TECH Fanatic

iTrader: (47)

Joined: Oct 2008

Posts: 1,715

Likes: 0

From: 714

its an EGR related code.

http://www.duramaxforum.com/forum/to...h-gas-rec.html

Reply Like

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

Possible to swap an 8.1L into a GMT900 truck?

calsdad

8-Lug Truck Performance

06-15-2023 12:07 AM

Please Help!!!

Pimpinpete

GM Engine & Exhaust Performance

12-22-2017 09:13 AM

Misfire help

00loudchevy

Tuning, Diagnostics, Electronics, and Wiring

12-03-2015 06:54 PM

P0446

Avalanche2002

Tuning, Diagnostics, Electronics, and Wiring

11-30-2015 08:31 AM

issues after cam install

bearden86

GM Engine & Exhaust Performance

11-15-2015 04:58 PM