Code result

P0487

EGR Throttle Control Circuit A/Open

Moderate severity

What it means

The drive circuit of EGR throttle A is open. EGR throttles partially close intake to increase exhaust gas recirculation flow at low loads.

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

  • Actuator winding open

    high

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

Get the full diagnosis

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

Diagnose P0487 free

No credit card required