P0171
System Lean Bank 1.
- Buick
- Powertrain
- Generic code
How this code is built
- P
- SystemPowertrain
- 0
- Defined bySAE, the same on every car
- 1
- AreaFuel and air metering
- 71
- FaultThe specific fault in that area
Guide
Writing the guide for P0171. The first open of a code takes up to a minute.