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Trouble Codes

Hulk1999

By Hulk1999
December 20, 2008 in 2000-2014 Silverado HD & Sierra HD

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Hulk1999

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Hulk1999

Posted December 20, 2008

Posted December 20, 2008

Hi everybody,

I've been having the service engine light come on for a while now.Finally had one of my coworkers plug his laptop up to see what's the deal. The two codes i got were P1781 and P0463. I now that the P0463 is for the Fuel sending unit but i'm stumped on the P1781. Anybody got any idea on what to do.

Thanks

Hulk

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