[SOLVED] P1423 Code: Fix Insufficient Flow In Secondary Air Injection System

The automobile fault code P1423 indicates a problem with the secondary air injection system. This is indicated by the engine light being on or the service engine soon warning light.

The possible causes of this issue include a faulty secondary air injection valve, a malfunctioning secondary air injection pump, or a disconnected secondary air injection hose. To fix this problem, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look for any broken, bent, pushed out, or corroded pins in the connectors.

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

It is important to address this fault code promptly to ensure the proper functioning of the secondary air injection system.

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

I know how frustrating it is to see that warning light pop up again and again. You don’t need to spend money at the mechanic just to clear it. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and avoid the time and inconvenience of driving to a mechanic. Just plug it in, connect to your Android or iOS phone, and instantly see live data. Understand the fault code, clear it right away, and decide if it’s something urgent or if you’re good to drive. It even monitors your car and sends notifications to your phone, so you’re always in control. Simple, fast, and stress-free—today’s offer price!

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p1423 fault code.

  • The symptoms of the automobile fault code P1423 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The fault code p1423 can be caused by issues with the Secondary Air Injection Valve, Secondary Air Injection Pump, or a disconnected hose.

Do you know you can clear most fault codes—but some could mean serious danger? Don’t take chances with your safety or your family’s safety. This budget-friendly car scanner makes it easy to clear fault codes in seconds while showing you exactly what’s wrong. Plug it in, connect to your Android or iOS phone, and instantly check live data. You’ll know if it’s a minor issue you can clear or something serious that needs attention—so you can drive safely and stress-free. (Today’s Deal)

  • The fault code P1423 can be caused by the following: a faulty Secondary Air Injection Valve, a malfunctioning Secondary Air Injection Pump, or a disconnected Secondary Air Injection hose.

To fix fault code p1423, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P1423, 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 cost of diagnosing and fixing the automobile fault code p1423 are the estimated repair time of 1.0 hour and the hourly rate charged by auto repair shops, which typically ranges between $75 and $150.

The P1423 fault code refers to a problem with the Secondary Air Injection System in Bank 1 of your vehicle. This code indicates that there is insufficient airflow in this system. It is important to note that the specific description of this code may vary depending on the make and model of your vehicle.

Unfortunately, we do not have any additional information about the P1423 code at this time.

If you have any further questions or need more information, please feel free to ask in the comments section below.

What are the possible causes of fault code P1423 that could trigger the engine light to come on?

If you’re seeing the dreaded engine light on your dashboard, it could be due to fault code P1423. This code is often triggered by issues with the secondary air injection system. The culprit could be a faulty secondary air injection valve, a malfunctioning secondary air injection pump, or a disconnected secondary air injection hose. To fix the problem, start by visually inspecting the wiring harness and connectors. Look out for any damaged components and check for broken, bent, pushed out, or corroded connector pins. Don’t forget to address the possible causes mentioned above.

How can I visually inspect the wiring harness and connectors to identify any potential issues related to fault code P1423?

To visually inspect the wiring harness and connectors for potential issues related to fault code P1423, start by checking the “Possible Causes” mentioned above. Then, carefully examine the related wiring harness and connectors. Look for any signs of damage, such as broken or bent components, pushed out pins, or corrosion. This thorough inspection will help identify any issues and guide you towards the appropriate fix.

What steps should I take to check for damaged components and examine the connector’s pins for fault code P1423?

To check for damaged components and examine the connector’s pins for fault code P1423, start by visually inspecting the wiring harness and connectors. Look for any signs of damage or corrosion. Next, check the secondary air injection valve, pump, and hose for any disconnections or faults. Finally, carefully examine the connector’s pins for any signs of being broken, bent, pushed out, or corroded. Taking these steps will help identify and resolve the issue causing the engine light to be on.

p1423 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 Secondary Air Injection Valve, Secondary Air Injection Pump, or a disconnected Secondary Air Injection hose. To fix this issue, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded connector pins.

Scroll to Top