Envoy 2WD V6-4.3L VIN W (1998)
Knock Sensor: Testing and Inspection
Diagnosis Overview
The self check used by the control module monitors the voltage on the Knock Sensor (KS) circuit and if the voltage is below about 0.4 or over about 4.6,
a DTC P0327 sets.
Knock Sensor (KS) DTCs: DTC P0327
A DTC set when system is in a self check, and voltage on the KS circuit is above or below the specified range. Refer to the Applicable Diagnostic
Trouble Code Tables.
