[SOLVED] P2626 Code: Fixing Oxygen Sensor Pumping Current Trim Circuit/Open

If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to the P2626 fault code. This code indicates a problem with the Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1, which could be faulty or have a poor electrical connection. The repair importance of this issue is high as it can affect the performance of your vehicle and lead to increased emissions.

The difficulty level of the repair is moderate, with a repair time of 1.0. To fix the issue, you should visually inspect the wiring harness and connectors, and check for damaged components or corroded connector pins. It’s important to address this issue promptly to avoid further damage to your vehicle.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level6.67 (Out of 10)

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be a sign of p2626 fault code.

Here are the symptoms to look out for:

  • The P2626 fault code in an automobile can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include reduced engine power, decreased fuel efficiency, engine stalling, rough idling, and difficulty starting the vehicle.
  • Additionally, the code may cause issues with the transmission, such as harsh shifting or failure to shift gears.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The P2626 fault code can be caused by a faulty sensor, open or shorted harness, or poor electrical connection.

  • The automobile fault code P2626 can be caused by a faulty Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1.
  • It can also be caused by an open or shorted harness of the Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1.
  • Additionally, a poor electrical connection in the circuit of the Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1 can also trigger the P2626 fault code.

To fix the p2626 automobile fault code, check the possible causes and inspect the related wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code P2626, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for damaged components and broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code P2626 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour. Therefore, the total cost of fixing the P2626 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time required to fix the issue.

The P2626 fault code is stored in the engine control module when there is a problem with the oxygen sensor current flow circuit. A wideband oxygen sensor is used to measure the actual air to fuel ratio in modern engines.

The wideband sensor has two parts: a narrowband cell that samples the exhaust gas and the outside air, and a pump cell that pumps oxygen in or out of the measurement chamber. The polarity and magnitude of the current flow in the pump cell is a direct indication of the air to fuel ratio.

What are the possible causes of the P2626 automobile fault code?

If your engine light is on and you’re seeing the P2626 fault code, it could be due to a faulty Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1, an open or shorted harness, or a poor electrical connection in the circuit. To fix the issue, inspect the wiring harness and connectors for any damage or corrosion, and check for broken or bent pins.

How can I visually inspect the related wiring harness and connectors for the P2626 fault code?

If you’re experiencing an Engine Light ON (or Service Engine Soon Warning Light) due to the P2626 fault code, you may need to visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. This will help you identify if the Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1 harness is open or shorted, or if there is a poor electrical connection in the circuit. Once you’ve identified the issue, you can take the necessary steps to fix it.

What are the consequences of ignoring the P2626 automobile fault code?

Ignoring the P2626 fault code in your automobile can lead to serious consequences. The engine light will remain on, indicating a problem with the Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1. This can result in poor fuel economy, reduced engine performance, and increased emissions. It is important to visually inspect the wiring harness and connectors, and check for damaged components to avoid further damage.

p2626 error fault code explained

If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to a faulty Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1, an open or shorted harness, or poor electrical connection.

Check the wiring harness and connectors for damage, broken, bent, pushed out, or corroded pins.

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