P0422 Diagnostic Trouble Code Discussion for March 2017
Catalyst Efficiency Below Normal (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 P0422
| Help Request | Posted | |
| 2009 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 3GCEK23399 P0422: Small EVAP Leak. Cannot find the source of leak |
March 09, 2017 |
