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

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Could it be that most you fix are low miles and the new vs old heater resistance is similar enough for the ECM to find it OK?

I can say every newer one I've done, let's say, 2008- or so, will set a... Login to read more.

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