Code result

P26FE

Exhaust Flow Control Valve A Control Performance

Moderate severity

What it means

The exhaust flow control valve A responds to commands but the resulting flow or back-pressure does not match expectations. Worn flap or carbon coking on the bore.

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

  • Worn valve flap loses sealing

    high

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

  • Carbon coking restricts valve travel

    medium

    A plausible cause — test and verify before replacing parts.

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