P1131 MAZDA - Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank 1
P1131 MAZDA Possible Causes
- Vacuum leak affecting bank 1 only
- Fuel injector problem bank 1
- Check for cylinder misfire on bank 1
- Engine mechanical condition
- Faulty O2 sensor.
How do I fix code P1131 MAZDA?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P1131 MAZDA code
Labor: 1.0The cost of diagnosing the P1131 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected?The Engine Control Module (ECM) detected bank 1 oxygen (O2) at its lean limit
- Engine Light ON (or Service Engine Soon Warning Light)
P1131 MAZDA MeaningLack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank 1 is the generic description for the P1131 Mazda code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1131 Mazda OBDII code.
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