P0300-P0308

The 2019 GMC Sierra T1XX is experiencing poor acceleration, which may indicate a potential misfire issue affecting engine performance.

The vehicle, a GMC Sierra T1XX (2019-Present), is experiencing a misfire, which can lead to performance issues and increased emissions.

The GMC Sierra T1XX (2019-Present) is experiencing engine misfire issues, which can lead to rough idling, loss of power, and increased emissions.

The GMC Sierra T1XX (2019-Present) is experiencing engine misfires, which can lead to rough running conditions and reduced performance.

The GMC Sierra T1XX (2019-Present) is experiencing an engine misfire, which may lead to rough engine performance and potential damage if not addressed promptly.

The GMC Sierra T1XX (2019-Present) is experiencing engine misfires at high RPM, which indicates potential issues with engine performance or fuel delivery.

The GMC Sierra T1XX (2019-Present) is experiencing a misfire issue, leading to rough engine performance and potential drivability concerns.