OBD-II Diagnostic Trouble Code
P013A
O2 Sensor 1/2 Slow Response - Rich To Lean
P
Powertrain
engine / trans
engine / trans
0
Generic
SAE standard
SAE standard
1
Fuel & air metering
3A
O2 Sensor 1/2 Slow Response - Rich To Lean
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain