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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 502 (2.4L - DTCS P2123 To U1418) >> Diagnosis And Testing >> P2431-Secondary Air Injection System Air Flow Sensor Circuit Performance >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.

Engine Coolant Temperature (ECT) above 0° C (32° F), ambient air temperature within approximately two degrees of ECT, actual air flow is less than or equal to model airflow, and Secondary Air Flow diagnostic counter above 100 (approximately three seconds). Secondary Air Pump Control circuit active.

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