PCM Knock Sensor - Engine Detonation & Timing Control

Restore smooth performance and protect your engine with this PCM knock sensor. Designed to detect engine knock (detonation) and send accurate feedback to the powertrain control module, this sensor helps the PCM adjust ignition timing for improved drivability, efficiency, and engine protection. Ideal for resolving common issues like spark knock/pinging, hesitation, reduced power, and check engine light codes related to knock sensor performance.

• Part type: Knock Sensor (PCM input sensor)
• Function: Detects vibration/knock and signals the PCM for timing correction
• Connector: Integrated electrical connector (as shown)
• Mounting: Threaded stud mount with hex head (as shown)
• Condition: New
• Brand/Vendor: Malibu Parts

Fitment note: Knock sensors vary by engine and model year. Please confirm compatibility by matching your vehicle’s year/make/model/engine and/or OE part number before ordering.

FAQs

What are symptoms of a bad knock sensor?
Common symptoms include pinging under load, sluggish acceleration, poor fuel economy, and an illuminated check engine light.

Can I drive with a failing knock sensor?
Many vehicles will run, but the PCM may retard timing to protect the engine, reducing power and efficiency. Replacing it promptly helps prevent potential engine damage.