P0491 Diagnostic Trouble Code Discussion for June 2017
Secondary AIR System Insufficient Flow Detected (Bank 1)
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0491
| Help Request | Posted | |
| 2007 Ford Focus SES 2.0L MIL Lamp on VIN: 1FAHP34N27 P0491: Secondary AIR System Insufficient Flow Detected (Bank 1). Greetings ladies and gentlemen: Agent tells me that driver has a concern that the c.e.l. is on. M.O.D. has several hits for a defective pump with these codes. IATN has 2 hits; one a summary (no fix) and one being a diverter valve for a fix. Extracted codes... |
June 07, 2017 |
