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P0327 Diagnostic Trouble Code Discussion for May 2021

Knock Sensor 1 Circuit Low Voltage (Bank 1)


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Trouble Ticket Help Requests for DTC P0327
Help Request Posted
2000 Chevrolet Tahoe LT 5.3L MIL Lamp on VIN: 1GNEK13T8Y
P0327: Knock Sensor Circuit Low Voltage (Bank 1). ... long block, we have a P0327, knock sensor code, We replaced #1 knock sensor and harness and omhed the wiring, all ok, Heres the kicker. I lad scoped both knock sensor signals and #1 had less amplitude the #2, id say about half. We cleared the codes an...
May 14, 2021