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2013 GMC Sierra Turbo Diesel Denali Dually with engine code P205B

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Engine light on. Code P205B on my 2013 GMC Sierra Turbo Diesel Denali Dually. The truck runs fine. Can I continue to drive if the dealer doesn’t have the parts?

Vehicle: 2013 GMC Sierra Turbo Diesel Denali Dually

1 Answer

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It will eventually quit running or become difficult to start.

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