Code result

P2E6B

System Too Rich During Cylinder Deactivation Bank 2

Moderate severity

What it means

During cylinder deactivation on bank 2, the fuel trim of the active cylinders runs persistently rich. Indicates excess fuel delivery or injector leakage.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Injector leak on active cylinders

    high

    One of the most commonly reported causes for this code — check this first.

  • Deactivation partial - residual combustion

    medium

    A plausible cause — test and verify before replacing parts.

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