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Buick
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2008
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Allure CXL
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 10 (Engine Control System & Fuel System - 5.3L - DTC P0420 To DTC P3449)
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DTC P0451, P0452, P0453, or P0454
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Conditions for Running the DTC
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P0452 and P0453
P0452 and P0453
WARNING:
This page is about a different variant/trim than selected.
DTC P0452 and P0453 run continuously when the ignition is ON.