The P2621 fault code in automobiles indicates a problem with the Throttle Position SensorSwitch. The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light.

The cause of this issue could be a faulty Throttle Position SensorSwitch, an open or shorted Throttle Position SensorSwitch harness, or a poor electrical connection in the Throttle Position SensorSwitch circuit. The importance of repairing this issue lies in the fact that it can affect the vehicle’s performance and fuel efficiency.

The repair difficulty is moderate, and the fix involves visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector’s pins. The repair time is estimated to be around 1.0 hour. It is essential to interpret the fault code correctly to identify the root cause of the problem.

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 due to the p2621 fault code. Here are the symptoms to look out for:

  • The P2621 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 power, reduced fuel efficiency, and rough idling.
  • Additionally, the vehicle may experience stalling or hesitation during acceleration, and there may be a noticeable decrease in overall performance.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The automobile fault code p2621 can be caused by a range of issues, including a faulty throttle position sensorswitch and poor electrical connections.

  • The automobile fault code P2621 can be caused by a faulty Throttle Position Sensor/Switch.
  • It can also be caused by an open or shorted Throttle Position Sensor/Switch harness.
  • Additionally, a poor electrical connection in the Throttle Position Sensor/Switch circuit can also trigger this fault code.

Below are the possible fixes for the automobile fault code p2621, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code p2621, 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 fault code P2621 indicates a problem with the O2 sensor pump current circuit. The estimated repair time for this fault code is 1.0 hour. The cost of fixing this fault code is influenced by the repair time, which is typically charged between $75 and $150 per hour by most auto repair shops.

Therefore, the total cost of fixing the P2621 fault code will depend on the hourly rate charged by the repair shop and the estimated repair time.

The P2621 fault code is related to the throttle control system in the vehicle.

It is stored in the Engine Control Module (ECM) when a malfunction is detected. The code indicates that the Throttle Position Output Circuit is low.

The Accelerator Pedal Position Sensor senses the driver’s demand, and the ECM adjusts the throttle position accordingly.

The Throttle Position Sensor returns the throttle position to the ECM. If one circuit fails, the vehicle operation will remain unaffected. However, it is important to address the issue as soon as possible to prevent further damage to the throttle control system.

What are the possible causes of the automobile fault code P2621?

If you see the engine light on or the service engine soon warning light, it could be due to the P2621 fault code. This code is often caused by a faulty throttle position sensor/switch, an open or shorted throttle position sensor/switch harness, or a poor electrical connection in the throttle position sensor/switch circuit. To fix this issue, you should visually inspect the related 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 related wiring harness and connectors to fix the P2621 fault code?

If you’re experiencing an engine light or service engine soon warning light with a P2621 fault code, it could be due to a faulty throttle position sensor/switch or poor electrical connection. To fix this issue, start by visually inspecting the related wiring harness and connectors. Check for any damaged components and look for broken, bent, pushed out, or corroded connector’s pins. This will help you identify any issues and get your vehicle back on the road.

What are the signs of damaged components and broken, bent, pushed out, or corroded connector’s pins that I should look for when fixing the P2621 fault code?

If you’re fixing the P2621 fault code, keep an eye out for the engine light being on or the service engine soon warning light. The cause of this issue could be a faulty throttle position sensor/switch, an open or shorted throttle position sensor/switch harness, or a poor electrical connection in the throttle position sensor/switch circuit. To fix this problem, check the possible causes listed above and visually inspect the related wiring harness and connectors. Look for damaged components and keep an eye out for broken, bent, pushed out, or corroded connector’s pins.

p2621 error fault code explained

If your engine light is on, it could be due to a faulty throttle position sensorswitch or a poor electrical connection. To fix it, visually inspect the wiring harness and connectors for damage or corrosion.

Check for broken, bent, or pushed out pins.

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