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Fault Code P0135

Code meaning, symptoms, possible causes, part number, and estimated cost.

P0135

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

Severity: Low

Malfunction in oxygen sensor heater circuit.

Part Details

Part Name

Heated oxygen sensor

Reference P/N (OEM)

89467-33080

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪200 - ₪500

Engine Location

Exhaust pipe — before the converter

Symptoms

  • High initial fuel consumption
  • Increased emissions when cold

Possible Causes

  • 1Burnt out heater sensor
  • 2Blown fuse
  • 3Faulty wiring

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