P0327 Code: Knock Sensor Low Input Causes & Fix
Learn what triggers the P0327 knock sensor low-input code, how serious it is, and how to diagnose the sensor, connector and wiring step by step before replacing parts.
Jul 27, 2026
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2022 Chevrolet Trailblazer Knock Sensor
3 itemsGet a reliable Knock Sensor for your vehicle at A-Premium. Our high-quality sensors are designed to accurately detect engine knocking, helping to prevent costly damage. Browse our selection today and enjoy fast, free shipping on your order.
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A-Premium®Part # APKNS129
Knock Detonation Sensor for Buick Encore GX Cadillac CT6 Chevrolet Trailblazer
4.810 Reviews
$22.99
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StandardPart # KS511
Standard KS511 Ignition Knock (Detonation) Sensor
4.443 Reviews
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StandardPart # KS507
Standard KS507 Ignition Knock (Detonation) Sensor
4.443 Reviews
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Low stock: Only 2 left