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2007
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Allure CX
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Repair and Diagnosis
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Different variant/trim
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Section 5 (Engine Control System & Fuel System - 3.6L - DTC P0135 To P0420)
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DTC P0420
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Conditions for Setting the DTC
Conditions for Setting the DTC
WARNING:
This page is about a different variant/trim than selected.
The ECM determines that the catalyst efficiency has degraded below a calibrated threshold.
The condition exists for more than 4 seconds.