2008 GMC Sierra (check engine light)
#1
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I have a GM that just started with engine light that came on, I checked fuel cap, and air filter and found nothing. How do you get the code off the thing?![Big Grin](https://chevroletforum.com/forum/images/smilies/biggrin.gif)
Thanks Bob
Here are the codes... P1133 heated QX sensor insufficient switch bank 1
P3400 cylinder system bank 1, intermittent
Any one knows whats going on???
![Big Grin](https://chevroletforum.com/forum/images/smilies/biggrin.gif)
Thanks Bob
Here are the codes... P1133 heated QX sensor insufficient switch bank 1
P3400 cylinder system bank 1, intermittent
Any one knows whats going on???
Last edited by JavaBob; September 10th, 2013 at 11:32 AM.
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