P0062

Описание

Heater Oxygen Sensor-3 Bank 2, Control Circuit

Частые симптомы

• Extended bank 2 emission system warm-up
• Check Engine Light
• Possible bank 2 secondary O2 sensor issues
• Delayed bank 2 emission readiness
• Reduced bank 2 cold emission performance

Возможные причины

• Open circuit in bank 2 secondary O2 sensor heater wiring
• Failed bank 2 secondary O2 sensor heating element
• Blown bank 2 secondary heater fuse
• Corroded bank 2 secondary electrical connectors
• ECU bank 2 secondary heater control fault

Диагностика

1. 1. Check bank 2 secondary O2 sensor heater fuse
2. 2. Test continuity in bank 2 secondary heater circuit
3. 3. Measure bank 2 secondary heater element resistance
4. 4. Check voltage at bank 2 secondary O2 sensor
5. 5. Inspect bank 2 secondary wiring and connectors

Решения по ремонту

• Replace faulty bank 2 secondary oxygen sensor
• Repair open bank 2 secondary heater wiring
• Replace blown bank 2 secondary fuse
• Clean corroded bank 2 secondary connectors
• Replace ECU if bank 2 secondary heater control failed

Профилактика

• Protect bank 2 secondary O2 sensor wiring from exhaust heat
• Regular bank 2 emission system electrical checks
• Use quality bank 2 secondary sensors