Code result

P0089

Fuel Pressure Regulator Performance

Moderate severity

What it means

The ECU detects that fuel rail pressure does not respond to commanded changes of the pressure regulator within expected dynamics. Indicates a sluggish or partially failed regulator.

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

  • Regulator sluggish or partially blocked

    high

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

  • Fuel contamination

    medium

    A plausible cause — test and verify before replacing parts.

Get the full diagnosis

Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.

Diagnose P0089 free

No credit card required