Powertrain
generic / SAE
P2BFB
Exhaust Flow Control Valve B Control Performance
The exhaust flow control valve B reports a control performance condition. Exhaust routing for back-pressure or noise control cannot be commanded reliably.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / FB
Possible causes
- Actuator response slower than calibrated high
- Increased friction in valve linkage medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–5 h
- Component: exhaust flow control valve b
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012