If DTC P0021 or P0022 is displayed, check the bank 2 VVT system circuit. Bank 2 refers to the bank that does not include cylinder No. 1.
Read freeze frame data using an intelligent tester. Freeze frame data record the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data, from the time the malfunction occurred.
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