Knock (Detonation) Sensor Connector

Connects the knock sensor to the vehicle’s wiring harness.

The knock sensor connector links the knock sensor to the vehicle’s wiring system, allowing it to transmit signals to the ECU for real-time ignition timing adjustments.

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Typical part cost

$10–$40🔒

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Typical labor cost

$50–$100🔒

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Typically lasts

80,000–150,000 mi

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Or about

5.0–10.0 years

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DIY difficulty

2/10

⚠️ Owners Often Notice

If the Knock (Detonation) Sensor Connector is starting to fail, these are the signs owners most commonly report before it gets worse:

Engine knocking

Check engine light

Knock sensor not working

Poor engine performance

Related Services

Services commonly performed on or around this part.

Replace Knock (Detonation) Sensor Connector(s)

No standard interval on file

Inspect Knock (Detonation) Sensor Connector(s)

No standard interval on file

Test Knock (Detonation) Sensor Connector(s)

No standard interval on file