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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 2.0L - DTCS P1E3A-00 To P2227-00 >> Diagnosis And Testing >> P1E48-00-Knock Sensor 1 Out Of Range High >> Possible Causes

Possible Causes

Possible Causes
HIGH RESISTANCE IN THE KS 1 SIGNAL CIRCUIT
HIGH RESISTANCE IN THE KS 1 RETURN CIRCUIT
KNOCK SENSOR 1

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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