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check engine light code PO170

BG46

By BG46
August 19, 2006 in 1999-2013 Silverado 1500 & Sierra 1500

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BG46

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BG46

Posted August 19, 2006

Posted August 19, 2006

My light has been on constantly for a week or so.

Took it to Autozone to have them read the codes and about 6 codes showed up.

He cleared all codes and when the light came on again the first one to pop up was the PO170.

Any ideas before taking it to the dealer?

J45p3r

Enthusiast

J45p3r

Posted August 19, 2006

Posted August 19, 2006

P0170: Fuel Trim Malfunction (Bank 1)

Thats what the code means, beyond that, I'm not sure.

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