Code result

P2698

Exhaust Aftertreatment Fuel Injector A Performance

Moderate severity

What it means

The 7th injector responds to commands but does not deliver expected fuel during regeneration. Coking on the nozzle or worn pressure regulation reduces flow.

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

  • Coked nozzle restricts fuel delivery

    high

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

  • Fuel pressure to the dosing line out of tolerance

    medium

    A plausible cause — test and verify before replacing parts.

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