Code result

P2674

Injection Pump Fuel Calibration Not Learned

Moderate severity

What it means

The injection pump fuel quantity calibration did not complete successfully. Without learned fuel calibration, AFR runs from default tables and emissions or smoke can rise.

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

  • Learning routine aborted by other DTC or unstable conditions

    high

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

  • Fuel quantity solenoid drift outside learning window

    medium

    A plausible cause — test and verify before replacing parts.

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