Malibu 2001-2005

Knock Sensor

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2.2L (L61) Engine



The Knock Sensor (KS) is located on the engine block just below and to the front of the oil filter housing.

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Fig. 2.2L (L61) Engine Knock Sensor (KS) location

3.5L (LZ4) & 3.9L (LZ9) Engines



The 3.5L (LZ4), and 3.9L (LZ9) engine has 2 Knock sensors that are located on both sides of the engine block.

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Fig. Engine Knock Sensor (KS) location Bank 1



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Fig. Engine Knock Sensor (KS) location Bank 2

 
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