[SOLVED] P1420 Code – Fixing Nox Adsorptive Catalyst System Efficiency Below Threshold

The automobile fault code P1420 indicates a faulty catalyst temperature sensor failure, which triggers the engine light to turn on. To fix this issue, it is important to visually inspect the wiring harness and connectors for any damage or corrosion. Look out for broken, bent, pushed out, or corroded connector pins.

This repair typically takes around 1.0 hour.

It is crucial to address this problem promptly to ensure optimal engine performance and avoid further damage.

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

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When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p1420 fault code.

  • The symptoms of the automobile fault code P1420 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code P1420 can be caused by a faulty catalyst temperature sensor or the need for a software update.

Let’s explore these causes in more detail.

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  • The fault code P1420 can be caused by the following: – Faulty catalyst temperature sensor – Software update failure

To fix the p1420 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P1420, 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 p1420 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 p1420 fault code.

The P1420 fault code indicates that the NOx Adsorptive Catalyst System Efficiency is below the required threshold. This code is a generic description, and the manufacturer may have a different description for your specific vehicle model and year.

Unfortunately, we currently do not have any additional information about the P1420 OBDII code. If you have any questions or need more information, please feel free to post your question in the comments section below.

What are the possible causes of the automobile fault code P1420 and how can I visually inspect them?

If you’re seeing the engine light or service engine soon warning light and the fault code P1420 is popping up, there are a couple of possible causes to consider. One is a faulty catalyst temperature sensor failure, while another is a software update issue. To visually inspect these potential causes, start by checking the related wiring harness and connectors. Look for any signs of damage, such as broken or bent components, pushed out pins, or corrosion on the connector’s pins. This will help you identify any issues that may need fixing.

How does a faulty catalyst temperature sensor failure lead to the engine light being ON and what steps can I take to fix it?

When the catalyst temperature sensor fails, it can trigger the engine light to come on. To fix this issue, start by visually inspecting the wiring harness and connectors. Look for any signs of damage or corrosion. Check if any components are broken, bent, pushed out, or have corroded connector pins. Additionally, consider getting a software update to address the faulty sensor.

Is a software update required to resolve the P1420 fault code, and if so, how can I check if my vehicle needs one?

If you’re dealing with the P1420 fault code and your engine light is on, a software update might be the solution. To check if your vehicle needs one, start by visually inspecting the wiring harness and connectors. Look for any damaged components or broken, bent, pushed out, or corroded connector pins. This will help you determine if a software update is required to fix the issue.

p1420 error fault code explained

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to a faulty Catalyst Temperature Sensor or a software issue. To fix it, visually inspect the wiring harness and connectors for any damage. Also, check for broken, bent, pushed out, or corroded connector pins.

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