P2A07 - O2 Sensor Negative Voltage Bank 1 Sensor 2

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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P2A07 Possible Causes

  • Faulty O2 Sensor Bank 1 Sensor 2
  • O2 Sensor Bank 1 Sensor 2 harness is open or shorted
  • O2 Sensor Bank 1 Sensor 2 circuit poor electrical connection

First diagnose P2A07 code

    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 terminals.

Cost of diagnosing the P2A07 code

    Labor: 1.0

    The cost of diagnosing the P2A07 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P2A07 Possible Symptoms

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

P2a07 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 P2a07 - O2 Sensor Negative Voltage Bank 1 Sensor 2 - AutoCodes.com

P2A07 More Information

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P2A07 Comments

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