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P0327 — Knock Sensor 1 Circuit Low (Bank 1)

Knock sensor voltage below minimum threshold.

Severity: MediumRepair: $50-$400Difficulty: Medium

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Common symptoms of P0327

Common causes of P0327

Repair cost & difficulty

Typical cost to fix P0327: $50-$400 · Difficulty: Medium

Pro tip: On GM V8s, sensors under intake manifold require significant disassembly.

Vehicles commonly affected

All makes

Related trouble codes

P0325P0326P0328

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.