The automobile fault code P120D indicates a problem with the Secondary Fuel Injector Bank 2. This can be identified by the Engine Light or Service Engine Soon Warning Light being illuminated.

The cause of this fault code could be a faulty injector, an open or shorted harness, or a poor electrical connection in the injector circuit.

To fix this issue, it is recommended to visually inspect the wiring harness and connectors for any damage.

Look out for broken, bent, pushed out, or corroded pins in the connectors.

The repair time for this issue is estimated to be around 1.0.

It is important to address this problem promptly to ensure optimal engine performance.

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

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be a sign of the p120d fault code.

  • The symptoms of the automobile fault code p120d include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p120d can be caused by a faulty secondary fuel injector in bank 2, an open or shorted harness, or a poor electrical connection in the circuit.

  • The fault code P120D can be caused by the following: 1.
  • Faulty Secondary Fuel Injector Bank 2.
  • 2.
  • Open or shorted harness of Secondary Fuel Injector Bank 2.
  • 3.
  • Poor electrical connection in the circuit of Secondary Fuel Injector Bank 2.

To fix the p120d fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p120d, follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the diagnosis and fixing cost of the automobile fault code p120d are the estimated repair time and the hourly rate charged by auto repair shops.

The estimated repair time for this fault code is 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for their services.

These factors will determine the overall cost of diagnosing and fixing the p120d fault code.

The P120D fault code refers to a problem with the Secondary Fuel Injector Bank 2. The Powertrain Control Module (PCM) is responsible for monitoring this injector.

When the injector does not meet the factory specifications, the PCM will set the P120D code. This code specifically indicates that there is excessive flow in the Secondary Fuel Injector Bank 2.

It is important to address this issue promptly to ensure optimal performance and efficiency of the vehicle.

What are the possible causes for the automobile fault code P120D?

If you see the engine light on or the service engine soon warning light, the fault code P120D could be the culprit. This code is often caused by a faulty secondary fuel injector in bank 2, an open or shorted harness, or a poor electrical connection in the secondary fuel injector circuit of bank 2. To fix this issue, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. Don’t forget to check the possible causes listed above for further troubleshooting.

How can I visually inspect the wiring harness and connectors related to the secondary fuel injector bank 2?

If you’re dealing with an illuminated Engine Light or Service Engine Soon Warning Light, the culprit could be a faulty Secondary Fuel Injector Bank 2. To address this issue, start by visually inspecting the wiring harness and connectors associated with the secondary fuel injector bank 2. Look out for any damaged components and check for broken, bent, pushed out, or corroded connector pins. This step will help you identify any open or shorted circuits or poor electrical connections. Don’t forget to refer to the “Possible Causes” mentioned earlier for a comprehensive solution.

What should I look for when checking for damaged components or corroded connector pins to fix the P120D fault code?

When troubleshooting the P120D fault code, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. These issues can cause a poor electrical connection or an open or shorted circuit, leading to the faulty secondary fuel injector in Bank 2. By checking for these specific problems, you can effectively diagnose and fix the issue.

p120d error fault code explained

If you’re seeing the Engine Light ON or the Service Engine Soon Warning Light in your p120d, it could be due to a faulty Secondary Fuel Injector in Bank 2. To fix it, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Look out for broken or bent pins too.

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