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P1374 Diagnostic Trouble Code Discussion for January 2009

CKP Sensor High To Low Resolution Frequency Correlation


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Trouble Ticket Help Requests for DTC P1374
Help Request Posted
2001 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF55EX1
P1374: CKP Sensor High To Low Resolution Frequency Correlation. ... heater code, 3x reference code, egr code, and transmission adaptive limit. We replaced the O2 sensor, replaced the connector for the egr valve and those problems are fixed but the P1374 continues to come right back. I removed the ignition coils to check fo...
January 15, 2009
2001 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF55EX1
P1374: CKP Sensor High To Low Resolution Frequency Correlation. ... heater code, 3x reference code, egr code, and transmission adaptive limit. We replaced the O2 sensor, replaced the connector for the egr valve and those problems are fixed but the P1374 continues to come right back. I removed the ignition coils to check fo...
January 15, 2009