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Re: Slow 02 response 2013 Silverado 5.3 4X4
Posted to Technical Discussion Forum on 1/21/2020 43 Replies

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And what's the likelyhood of both sides failing simultaneously? I'm thinking vacuum leak. Description of the DTC test in;

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says it's an intrusive test at low RPM. (MAF between 4 and ... Login to read more.

43 Replies Received (View Replies)