OBD-II Diagnostic Trouble Code

P0171

Fuel system too lean

P

Powertrain
engine / trans

0

Generic
SAE standard

1

Fuel & air metering

71

Fuel system too lean

Severity · general guide

Moderate

Fix soon — usually won't strand you

Code type

Chevrolet

System

Powertrain

Model

Silverado 1500

Years

2007-2019