Question about 2003 Chevrolet Silverado 1500
The knock sensors are located under intake in valley of engine there are two sensors intake will need to come off to replace . replace both sensors when doing this. you will probably find moisture in the hole they sit down in clean this out and build a dam in front of sensors with rtv sealer to divert any water from running down in there in future
Posted on Mar 15, 2011
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Posted on Jan 02, 2017
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Important: The larger metal contact area of the knock sensor MUST be toward the engine block. DTC P0327 may result if the sensor is installed backwards.
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