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2021
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ProMaster 2500
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P0139 To P0345
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DTC Troubleshooting
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P0330-Knock Sensor 2 Circuit
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the Knock Sensor input voltage is either:
Above 4.8 volts.
Less than 0.2 volts when engine speed is above 2000 rpm.