Subaru P1153: O2 Sensor Circuit Range/Performance (High) (Bank 1 Sensor 1)
Is your scanner showing Subaru P1153?
No worries. We'll show you what it means and how to deal with it.
Subaru P1153: O2 Sensor Circuit Range/Performance (High) (Bank 1 Sensor 1)
OVERVIEWWhat Does The Subaru P1153 Code Mean?
Poor drivability. While driving at a constant speed of 12.4 mph or more: Actual air fuel ratio/Theoretical air fuel ratio > 1.15
What Are The Potential Causes Of The Subaru P1153 Code?
- Water in the front oxygen sensor connector or coupling connector.
- Wiring harness between ECM and front oxygen sensor needs repair.
- Poor contact of front oxygen sensor.
- Defective front oxygen sensor.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Front Oxygen (A/F) Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2008 Impreza WRX Repair Manual for P1153 – Pages 262-263.
