DTC P219A: Bank 1 Air-Fuel Ratio Imbalance; DTC P219B: Bank 2 Air-Fuel Ratio Imbalance; DTC P219C: Cylinder 1 Air-Fuel Ratio Imbalance; DTC P219D: Cylinder 2 Air-Fuel Ratio Imbalance; DTC P219E: Cylinder 3 Air-Fuel Ratio Imbalance; DTC P219F: Cylinder 4 Air-Fuel Ratio Imbalance; DTC P21A0: Cylinder 5 Air-Fuel Ratio Imbalance; DTC P21A1: Cylinder 6 Air-Fuel Ratio Imbalance; DTC P21A2: Cylinder 7 Air-Fuel Ratio Imbalance; DTC P21A3: Cylinder 8 Air-Fuel Ratio Imbalance [08/2017 - 08/2018]: Description

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0300 (Refer to DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected; DTC P0305: Cylinder 5 Misfire Detected; DTC P0306: Cylinder 6 Misfire Detected; DTC P0307: Cylinder 7 Misfire Detected; DTC P0308: Cylinder 8 Misfire Detected [08/2017 - 08/2018] ).

Refer to DTC P2195 (Refer to DTC P2195: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1); DTC P2196: Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1); DTC P2197: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1); DTC P2198: Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1) [08/2017 - 08/2018] ).

DTC No.	DTC Detection Condition	Trouble Area
P219A	The difference in air-fuel ratios between the cylinders exceeds the threshold.	Fuel injector assembly Air induction system Gas leak from exhaust system Ignition system Compression pressure Air fuel ratio sensor ECM
P219B	The difference in air-fuel ratios between the cylinders exceeds the threshold.
P219C	The difference in air fuel ratios between the cylinders exceeds the threshold (2 trip detection logic).
P219D	The difference in air fuel ratios between the cylinders exceeds the threshold (2 trip detection logic).
P219E	The difference in air fuel ratios between the cylinders exceeds the threshold (2 trip detection logic).
P219F	The difference in air fuel ratios between the cylinders exceeds the threshold (2 trip detection logic).
P21A0	The difference in air fuel ratios between the cylinders exceeds the threshold (2 trip detection logic).
P21A1	The difference in air fuel ratios between the cylinders exceeds the threshold (2 trip detection logic).
P21A2	The difference in air fuel ratios between the cylinders exceeds the threshold (2 trip detection logic).
P21A3	The difference in air fuel ratios between the cylinders exceeds the threshold (2 trip detection logic).