Code result

P2B19

Cylinder 5 Injection Pulse Offset Exceeded Learning Limit

Moderate severity

What it means

The injection pulse offset adaptation for cylinder 5 exceeds the calibrated learning window. Injector aging or fuel pressure drift beyond compensation.

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 worn beyond compensation range

    high

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

  • Fuel rail pressure drift

    medium

    A plausible cause — test and verify before replacing parts.

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