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P219B Diagnostic Trouble Code Discussion for February 2019

fuel trim cylinder balance bank 2


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Trouble Ticket Help Requests for DTC P219B
Help Request Posted
2015 GMC Sierra 1500 SLE 5.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 3GTU2UEC6F
P219B: Bank 2 Air/Fuel Ratio Imbalance. ... after the cel came on for missfire p0300 and mixture imbalance p219b . After alot of testing and reading we decided to replace the injectors and clean the intake ports they were very dirty. after the repair the vehicle ran strong with no missfires, but...
February 27, 2019