P1127
HO2S Bank 1 Sensor 2 Heater Not On During Key On Engine Running Self Test.
- Mazda
- Powertrain
- Manufacturer code
How this code is built
- P
- SystemPowertrain
- 1
- Defined byThe manufacturer
- 1
- AreaFuel and air metering
- 27
- FaultThe specific fault in that area
Guide
Writing the guide for P1127. The first open of a code takes up to a minute.
This code for other makes
- P1127FordExhaust Not Warm Enough Downstream O2 Sensor Not Tested
- P1127KiaLong Term Fuel Trim Multiplicative Air System Low
- P1127LexusECTS Actuator Power Source Circuit Malfunction
- P1127LincolnExhaust Not Warm Enough Downstream O2 Sensor Not Tested
- P1127MercuryExhaust Not Warm Enough Downstream O2 Sensor Not Tested
- P1127OtherExhaust Not Warm, Downstream O2 Sensor
- P1127ToyotaETCS Actuator Power Source Circuit
- P1127VolkswagenLong Term Fuel Trim Bank 1 System Too Rich