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June 29th 2025

P1323 / CHEVROLET

IC 24X Reference Circuit Low Frequency

Notes:

June 29th 2025

P1323 / CADILLAC

24X Reference Circuit Low Frequency

Notes:

June 29th 2025

P1323 / BUICK

24X Reference Circuit Low Frequency

Notes:

June 29th 2025

P1323 / AUDI

Knock Sensor 4 Circ. Low Input

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.