Buick Workshop Service and Repair Manuals > Century L4-151 2.5L VIN R TBI (1985) > Powertrain Management | Sensors and Switches - Powertrain Management | Sensors and Switches - Ignition System | Knock Sensor | Component Information | Locations | Electronic Spark Control Module | Page 1705

Tune-up and Engine Performance Checks > < Electronic Spark Control Module

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Knock Sensor: Locations
Knock Sensor

This vehicle does not use a Knock Sensor.

Powertrain Management
Sensors and Switches - Powertrain Management
Sensors and Switches - Ignition System / Knock Sensor / Electronic Spark Control Module
Page 1705

Tune-up and Engine Performance Checks > < Electronic Spark Control Module