Back to 2001 Mazda B3000

2001 MAZDA B3000

3.0L V6FWDAUTOMATICgas
Repairs0Labor473Torque2470Fluid6DTC674Battery0Maintenance0Recalls0
P0052low severityPowertrain

HO2S Heater Control Circuit High Bank 2 Sensor 1

on 2001 Mazda B3000 3.0L V6 · FWD

What this code means

High voltage in the Bank 2 Sensor 1 O2 heater circuit.

Symptoms

  • Check Engine Light

Common causes

  • Short to power
  • Faulty sensor

Diagnostic steps

  1. Test voltage
  2. Check for shorts to power
  3. Test resistance

Repair notes

Repair or replace sensor.

Other Powertrain codes on this vehicle

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