OBD-II Diagnostic Trouble Code
P2191
System Too Lean at Higher Load Bank 1
P
Powertrain
engine / trans
engine / trans
2
Generic
SAE standard
SAE standard
1
Fuel & air metering
91
System Too Lean at Higher Load Bank 1
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain
Standard
ISO/SAE Controlled
Fault type
General