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Buick
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2009
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Allure CX
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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 5 (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 Setting the DTC
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P0452
Conditions for Setting the DTC: P0452
WARNING:
This page is about a different variant/trim than selected.
The FTP sensor voltage is less than 0.1 volt for more than 5 seconds.