2002 Chevy Avalanche P0332 Knock Sensor

2002 Chevy Avalanche

Chevy Avalanche

On the 2002 Chevy Avalanche, the most common reason for the P0332 is in fact, water intrusion into the Bank2 Knock Sensor. It’s actually been a known problem on these engines for quite some time. There is a fix for it however. The sensor and most commonly the wire harness to the sensor will need to be replaced. During installation, a bead of silicone around rubber grommet will keep the issue from happening again. Unfortunately, it’s just a design/material flaw. To gain access to the Knock Sensor, the Intake Manifold will need to be removed. The Knock Sensor sells for around $94 and the wire harness is around $175 (Dealer-item only). The Labor Time Guide calls for 2.7 hours to replace the Knock Sensor plus an extra half-hour for the harness. Labor rates vary from shop to shop, so what you pay for labor will effect the bottom line. For a job of this type, a “fair” labor rate can by anywhere from $85-$125 per hour.

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