P219A Diagnostic Trouble Code Discussion for January 2020
Bank 1 Air/Fuel Ratio Imbalance
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| Help Request | Posted | |
| 2013 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 1GCRKSE75D P219A: Bank 1 Air/Fuel Ratio Imbalance Cylinder to Cylinder. Code P219A will set intermittently. truck runs fine no misfires. switched front oxygen sensors from Bank 1 to Bank 2. swapped fuel injectors from bank 1 to bank 2. alcohol content is 7%, gas test as 15% alcohol. hooked up smoke machine and pressure tested ... |
January 31, 2020 |
