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  1. CADILLAC P1666
June 9th 2025
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P1666 / CHEVROLET

Driver 3 Line 6

Notes:

June 9th 2025
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P1666 / CADILLAC

Driver 3 Line 6

Notes:

June 9th 2025
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P1666 / BUICK

Driver 3 Line 6

Notes:

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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.