Trouble Shooting SEL Codes

Reply Subscribe

Nov 28, 2012 | 7:04 PM

dcoperator

Thread Starter

CF Junior Member

Joined: Mar 2007

Posts: 70

Likes: 0

Trouble Shooting SEL Codes

Hey folks,...I've got a 2009 Avalanche 5.3 with a SEL on and diagnosed thru AutoZone with a PO455 and a PO449. Any input on potential causes?

Mar 13, 2013 | 6:19 AM

2004anche

CF Beginner

Joined: Feb 2011

Posts: 2

Likes: 0

Tighten your gas cap and/or replace it, clear the code if it returns check Evap Canister Vent Solenoid Valve.

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

a-ron

General Tech

Apr 28, 2012 9:45 PM

skongolf

Tahoe & Suburban

Oct 8, 2010 6:23 PM

brs728

Silverado, Sierra & Fullsize Pick-ups

Jan 27, 2010 5:06 PM

95 Suburban

General Tech

Jan 13, 2009 10:19 PM

CliffGriffin

Tahoe & Suburban

Jan 28, 2006 10:58 PM

Reply Share