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The knock sensor location on the 2002 Chevy S-10 4.3 is situated above the oil pan. Various engine issues may arise, such as a spark plug becoming dislodged, potentially causing engine malfunctions. Loose gaskets should be promptly secured. It is important to address oil leaks promptly. Overheating is a critical concern that can lead to fires and vehicle explosions. Excessive oil consumption may necessitate more frequent oil changes. Coolant should be replaced every 60,000 miles, while the air filter should be changed every 15,000 to 30,000 miles. Spark plugs typically require replacement every 100,000 miles, except for copper ones, which should be replaced every 30,000 miles.
The knock sensor on the S10 truck from this year can be found right above the oil pan.
I believe it is situated on either side of the engine or below the cylinder head.