P0491 Diagnostic Trouble Code Discussion for April 2016
Secondary AIR System Insufficient Flow Detected (Bank 1)
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| Help Request | Posted | |
| 2010 Volkswagen Jetta SE 2.5L MIL Lamp on VIN: 3VWRZ7AJ1A P0491: Secondary AIR Insufficient flow. Okay guys I got one that's kicking my butt. Got a 2010 Jetta 2.5 with secondary air insufficient flow. Can energize pump and solenoid with scanner and monitor pressure sensor with my meter and it seems to be within range. I can energize the pump and then manua... |
April 20, 2016 |
