Astro Van 2WD V6-4.3L VIN W (2001)
Knock Sensor: Description and Operation
Diagnosis
A Diagnostic Trouble Code (DTC) may be set for the following conditions or faults:
^
The PCM malfunctions in a manner which will not allow the PCM to run a diagnostic of the KS circuit.
^
The KS signal is outside of the assigned noise channel.
^
The KS signal is not present.
^
The PCM is unable to eliminate the knocking condition using the maximum spark retard.
