Grand Caravan FWD V6-229 3.8L VIN L MFI (1997)
Knock Sensor: Testing and Inspection
The knock sensor can be tested with a digital voltmeter. Sensor output should be between 80 mV and 4 volts with the engine running between 576 and
2,208 rpm.
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If the output falls outside of this range a DTC will be set.