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P0491 Diagnostic Trouble Code Discussion for January 2010

Secondary AIR System Insufficient Flow Detected (Bank 1)

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Trouble Ticket Help Requests for DTC P0491
Help Request Posted
2005 Chrysler Sebring 2.4L MIL Lamp on VIN: 1C3EL46J15
P0491: AIR System Performance. my question is when i turn the air injection pump relay on using my solus pro the pcm pulses the pump on and off about 3-4 times and then stops.also i cannot turn the pump on at times when the engine is hot (key on/engine off)does this test need to be performe...
January 08, 2010