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So I bought this 2013 Silverado and so far it's a nice truck but when it tried to go in to afm it throws mis fire cylinder 8 and the traction and stable link lights come on saying they are off the truck runs great and had plenty of power just want my check engine light to stay off
 

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did you do the obvious and check to see if the wires are all connected?
Then pull the plugs and check them?
 

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The great white Canadian
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So I bought this 2013 Silverado and so far it's a nice truck but when it tried to go in to afm it throws mis fire cylinder 8 and the traction and stable link lights come on saying they are off the truck runs great and had plenty of power just want my check engine light to stay off
So it runs fine on all 8, no codes. But when it shuts down to 4, it throws a P0308 code?
But, the truck still runs fine even with the code?
Do you know if it actually shuts down to 4 cylinders, or does the code come on a it stays in 8 cylinder mode?
 
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