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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System & Fuel System - 5.3L - DTC P0420 To DTC P3449) >> DTC P1380 or P1381 >> Repair Procedures

Repair Procedures

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Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

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