The P2252 fault code in automobiles indicates a problem with the front oxygen sensor bank 1. The most common symptom is the illumination of the engine light or service engine soon warning light.

The cause of this fault code could be a faulty front oxygen sensor bank 1, an open or shorted harness, or a poor electrical connection in the circuit.

The importance of repairing this issue lies in the fact that it affects the vehicle’s fuel efficiency and emissions.

The repair difficulty is moderate, and the repair time is estimated to be around 1.0 hour. To fix the issue, one should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

Repair Importance Level6.67 (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 p2252 fault code. Here are the symptoms to look out for:

  • The P2252 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 a decrease in engine performance, reduced fuel efficiency, and difficulty starting the engine.
  • Additionally, the vehicle may experience rough idling or stalling, and there may be a noticeable decrease in power when accelerating.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

There are several causes of the automobile fault code p2252, including a faulty front oxygen sensor and poor electrical connection.

  • The automobile fault code P2252 can be caused by a faulty front oxygen sensor in bank 1.
  • It can also be caused by an open or shorted harness in the front oxygen sensor bank 1.
  • Additionally, a poor electrical connection in the front oxygen sensor bank 1 circuit can also trigger this fault code.

To fix the p2252 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 p2252, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • Ensure that all the connections are secure and free of corrosion.
  • This repair should take approximately 1.0 hour.

The automobile fault code P2252 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 P2252 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 P2252 code refers to the O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 1. The Front Oxygen Sensor (O2 Sensor 1) is placed into the exhaust manifold.

It detects the amount of oxygen in the exhaust gas compared to the outside air. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia.

The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions.

The heated oxygen sensor 1 signal is sent to the Engine Control Module (ECM). The ECM adjusts the injection pulse duration to achieve the ideal air-fuel ratio.

The ideal air-fuel ratio occurs near the radical change from 1V to 0V.

What are the possible causes of the P2252 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the P2252 fault code. This code is caused by a faulty front oxygen sensor in Bank 1, an open or shorted harness, or a poor electrical connection in the circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can I visually inspect the wiring harness and connectors related to the Front Oxygen Sensor Bank 1?

If your engine light is on due to a faulty Front Oxygen Sensor Bank 1, you can visually inspect the related wiring harness and connectors to fix the issue. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. This will help you identify if the Front Oxygen Sensor Bank 1 harness is open or shorted, or if there is a poor electrical connection in the circuit.

What are the consequences of not fixing the P2252 automobile fault code?

Ignoring the P2252 fault code in your automobile can lead to serious consequences. The engine light will remain on, indicating a problem with the front oxygen sensor bank 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.

p2252 error fault code explained

If your engine light is on and showing P2252, it could be due to a faulty front oxygen sensor bank 1, an open or shorted harness, or poor electrical connection. Visually inspect the wiring harness and connectors for damage, broken, bent, pushed out, or corroded pins to fix the issue.

Scroll to Top