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Alfa Romeo
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2019
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Giulia Base, AWD
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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2.0L - DTCS P0261-00 To P046C-00
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DTC Troubleshooting
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P0326-00-Knock Sensor 1 Circuit Range/Performance
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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.