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P0327 Diagnostic Trouble Code Discussion for August 2009

Knock Sensor 1 Circuit Low Voltage (Bank 1)

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Trouble Ticket Help Requests for DTC P0327
Help Request Posted
2005 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEC19V45
P0327: Knock Sensor Circuit Low Frequency (Bank 1). we have replaced the #1 knock sensor but the 327 code keeps coming back. we checked wiring from ecm and seems to be ok. anyone have any ideas on the best way to diagnose this? have been down trouble trees to no avail. thanks larry.
August 07, 2009