P0050

Описание

Heater Oxygen Sensor-1 Bank 2, Control Circuit

Частые симптомы

• Extended warm-up time on bank 2
• Poor cold start performance bank 2
• Check Engine Light
• Possible increased bank 2 emissions
• Reduced fuel economy during warm-up bank 2

Возможные причины

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

Диагностика

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

Решения по ремонту

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

Профилактика

• Address bank 2 specific wiring issues
• Protect bank 2 wiring from road debris
• Use quality replacement sensors for bank 2