Thread: 2007 silverado classic question
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Old 06-15-2010, 06:26 PM   #2
Cole Trickle
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Re: 2007 silverado classic question
Quote:
Originally Posted by Blazer Dude View Post
I have a 07 classic the check engine light came on and it is giving the code
P1400. Does anyone know what the problem is for that code?
Thanks
here is what I could find...

DTC P1400

p1400 is a egr valve malfunction. Not alot of info out there?
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