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P219A Diagnostic Trouble Code Discussion for July 2018

Bank 1 Air/Fuel Ratio Imbalance


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Trouble Ticket Help Requests for DTC P219A
Help Request Posted
2013 GMC Yukon XL 1500 SLT 5.3L MIL Lamp on VIN: 1GKS2KE71D
P219A: Fuel trim cylinder balance bank 1. Performed diagnostic test flow chart for code, all test results pass. No misfire counters present. No other codes present. No engine mechanical noise, oil clean & full. Cannot find any real good detailed info for this code, nothing in the archives. Any...
July 16, 2018