P21F8
Fuel Control System B Too Lean at Idle Bank 1.
- Generic
- Powertrain
- Generic code
How this code is built
- P
- SystemPowertrain
- 2
- Defined bySAE, the same on every car
- 1
- AreaFuel and air metering
- F8
- FaultThe specific fault in that area
Guide
Writing the guide for P21F8. The first open of a code takes up to a minute.