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Code

P0327

Ignition / Knock

Knock sensor 1 circuit low input

The knock sensor circuit reads too low.

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Most likely causes

Faulty knock sensor
Wiring short
Bad connector

Symptoms you may notice

Check engine light
Loss of performance

Checks to run

Test sensor signal
Inspect wiring
Check torque of sensor

Tools you may need

Multimeter

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Ignition / Knock

Knock sensor circuit malfunction — Bank 1

Knock sensor 1 circuit high input

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