P26FE
Exhaust Flow Control Valve A Control Performance
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.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Worn valve flap loses sealingCommon
- Carbon coking restricts valve travelPossible
Parts involved
- Exhaust Flow Valve A
- Actuator
P26FE is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.