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P0491 Diagnostic Trouble Code Discussion for May 2012

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: 1C3EL46J95
P0491: AIR System Performance. This Sebring has a code P0491 for secondary air injection problem. We found the 40 amp fuse blown and the electric air pump full of water. Inspected check valve, no exhaust is by-passing the valve. We drained and bench tested the air pump and it was still work...
May 01, 2012
2005 Chrysler Sebring 2.4L MIL Lamp on VIN: 1C3EL46J95
P0491: AIR System Performance. This Sebring has a code P0491 for secondary air injection problem. We found the 40 amp fuse blown and the electric air pump full of water. Inspected check valve, no exhaust is by-passing the valve. We drained and bench tested the air pump and it was still work...
May 23, 2012