OBDII Code List

P1157 MAZDA - HO2S-12 Circuit Condition

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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P1157 MAZDA Possible Causes

  • Faulty HO2S-12
  • HO2S-12 harness is open or shorted
  • HO2S-12 circuit poor electrical connection

First diagnose P1157 MAZDA code

    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 P1157 MAZDA code

    Labor: 1.0

    The cost of diagnosing the P1157 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P1157 MAZDA Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1157 Mazda Description

The Engine Control Moduel (ECM) did not detect rich signal while testing
OBDII Code P1157 Mazda - HO2S-12 Circuit Condition -

P1157 MAZDA More Information

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