OBD-II Diagnostic Trouble Code
P1128
Closed Loop Fueling Not Achieved - Bank 1
P
Powertrain
engine / trans
engine / trans
1
Mfr
manufacturer code
manufacturer code
1
Fuel & air metering
28
Closed Loop Fueling Not Achieved - Bank 1
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain