gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Knock Sensor > < Diagram Information and Instructions|Page 3347
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Disconnect battery cable at battery for 10 seconds then reconnect cable.

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Ignition "ON," engine "OFF" for 5 seconds.

^

Ignition "OFF" for 10 seconds.

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"START" engine and allow it to reach operating temperature.

Knock Sensor > < Diagram Information and Instructions|Page 3347