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Re: Slow 02 response 2013 Silverado 5.3 4X4
Posted to Technical Discussion Forum on 1/22/2020 35 Replies

Bradley, does this truck have a PCV valve? I found and removed a plastic pipe that plugged into valve cover and other end on manifold, but I can't find any PCV valve. Does it use one? Fuel trims good, and I can't find any vacuum leaks as I played torch gas as ... Login to read more.

35 Replies Received (View Replies)