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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System & Fuel System - 3.6L - DTC P0335 To DTC P2097) >> DTC P0452 or P0453 >> Conditions for Setting the DTC >> P0453

Conditions for Setting the DTC: P0453

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The ECM detects the FTP sensor signal voltage is greater than 4.6 volts for 4 seconds or for a cumulative of 50 seconds.