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P0030 VOLVO - HO2S Heater Control Circuit Bank 1 Sensor 1

Repair Importance Level: 2/3
Repair Difficulty Level: 2/3 What does this mean?

Possible causes

  • Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground
  • Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
What does this mean?
OBDII Code P0030 Volvo - HO2S Heater Control Circuit Bank 1 Sensor 1 - kvjournal.ru

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