Engine-Codes - Mercedes-benz - P1031 MERCEDES-BENZ

P1031 MERCEDES-BENZ Code - Heated Oxygen Sensor Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3
Table of contents

|P1031 MERCEDES-BENZ code possible causes

  • Faulty Heated Oxygen Sensor (HO2S)
  • Heated Oxygen Sensor harness is open or shorted
  • Heated Oxygen Sensor circuit poor electrical connection

|How is the P1031 MERCEDES-BENZ code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P1031 MERCEDES-BENZ code

Labor: 1.0

The cost to diagnose the P1031 MERCEDES-BENZ code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P1031 MERCEDES-BENZ code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What is P1031 MERCEDES-BENZ code meaning?

Heated Oxygen Sensor Malfunction is the generic description for the P1031 Mercedes-benz code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1031 Mercedes-benz OBDII code.

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