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The 2006 Chevy Cobalt comes equipped with a knock sensor located in the engine bay. To access it, approach the front of your vehicle and secure the hood in an open position using the safety prop arm on the left side of the engine compartment. The knock sensor is typically situated on the right side of the cylinder head or engine block, potentially on top of the intake manifold. If the sensor malfunctions, it will require replacement, which can range from $22 to $58 for the parts alone. Opting for a professional mechanic to replace it will cost you between $50 and $230 in labor fees.
The knock sensor for the 2006 Chevy Cobalt can be found in the vicinity of the engine block, cylinder head, or intake manifold, all of which are positioned under the hood in close proximity to each other.