P2A08 - O2 Sensor Negative Voltage Bank 1 Sensor 3

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3    What is this?
Table of contents

P2A08 Possible Causes

  • Faulty O2 Sensor Bank 1 Sensor 3
  • O2 Sensor Bank 1 Sensor 3 harness is open or shorted
  • O2 Sensor Bank 1 Sensor 3 circuit poor electrical connection

How do I fix code P2A08?

Check 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.
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Cost of diagnosing the P2A08 code

Labor: 1.0

The cost of diagnosing the P2A08 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P2A08 Description

The Engine Control Module (ECM) monitors the O2 Sensor Negative Voltage signal. The ECM sets the OBDII code when the O2 Sensor Negative Voltage is out of factory specifications.
OBDII Code P2a08 - O2 Sensor Negative Voltage Bank 1 Sensor 3 - AutoCodes.com

More Information

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