ITB18-013

2017-2018 QX60; MIL ON WITH DTC P219F This bulletin applies only to vehicles equipped with a direct injection engine. IF YOU CONFIRM The MIL is ON with DTC P219F (AIR-FUEL RATIO IMBALANCE [CYLINDER 4]) stored, And There are no drivability issues. ACTION 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM.