Engine-Codes.com
Engine-Codes – Chevrolet – P143E Chevrolet

P143E Chevrolet Code - Fuel Level Sensor 2 Reference Feedback Performance

Quick Answer

The P143E code for Chevrolet vehicles indicates an issue with the Fuel Level Sensor 2 Reference Feedback Performance. Common causes include Faulty Fuel Level Sensor 2, Damaged wiring or connectors, ECM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P143E Chevrolet indicates Fuel Level Sensor 2 Reference Feedback Performance.
Common causes
Common causes include Faulty Fuel Level Sensor 2, Damaged wiring or connectors, ECM malfunction.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P143E Chevrolet Description

The P143E code for Chevrolet vehicles indicates an issue with the Fuel Level Sensor 2 Reference Feedback Performance. This sensor is responsible for monitoring the fuel level in the vehicle's fuel tank and sending this information to the engine control module (ECM). The ECM uses this data to calculate the fuel consumption and adjust the air-fuel mixture accordingly.

OBDII Code P143E Chevrolet - Fuel Level Sensor 2 Reference Feedback Performance
P143E Chevrolet Code - Fuel Level Sensor 2 Reference Feedback Performance

Common Causes of P143E Chevrolet

  1. Faulty Fuel Level Sensor 2
  2. Damaged wiring or connectors
  3. ECM malfunction
  4. Corrosion or debris affecting sensor operation
  5. Fuel contamination affecting sensor readings

Symptoms of P143E Chevrolet

  1. Inaccurate fuel level readings on the dashboard
  2. Check Engine Light illuminated on the dashboard
  3. Reduced fuel efficiency
  4. Engine misfires
  5. Rough idling or stalling

How to Fix P143E Chevrolet

  1. Diagnose the issue by using a scan tool to read the code and inspecting the Fuel Level Sensor 2 and related components.
  2. Replace the faulty Fuel Level Sensor 2 if it is determined to be the cause of the code.
  3. Check and repair any damaged wiring or connectors connected to the sensor.
  4. Clear the code from the ECM memory and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to determine the root cause of the issue.

Cost to Fix P143E Chevrolet

The typical repair costs for addressing a P143E code on a Chevrolet vehicle can range from $200 to $500. This estimate includes the cost of a new Fuel Level Sensor 2, any necessary wiring repairs, and labor costs. However, it's important to note that actual repair costs can vary depending on the location, vehicle make and model, and the specific diagnosis time and labor rates at the auto repair shop. It's recommended to obtain a detailed quote from a qualified mechanic before proceeding with the repair.

Need more information about the P143E Chevrolet code?

Need more information on how to fix the P143E Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P143E Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P143E Chevrolet Code

1. What are the common symptoms of OBDII code P143E (Chevrolet) related to Fuel Level Sensor 2 Reference Feedback Performance?

- Common symptoms include inaccurate fuel level readings on the dashboard, fluctuating fuel gauge, and potential issues with fuel delivery.

2. What are the possible causes of OBDII code P143E (Chevrolet) indicating Fuel Level Sensor 2 Reference Feedback Performance?

- Possible causes include a faulty fuel level sensor, wiring or connector issues, fuel pump problems, or a malfunctioning powertrain control module (PCM).

3. How can I diagnose the OBDII code P143E (Chevrolet) for Fuel Level Sensor 2 Reference Feedback Performance?

- Diagnosis involves using an OBDII scanner to retrieve the code, checking the fuel level sensor and its connections, inspecting the wiring for damage, and testing the fuel pump operation.

4. Can a DIY enthusiast repair OBDII code P143E (Chevrolet) related to Fuel Level Sensor 2 Reference Feedback Performance?

- While some basic checks like inspecting connections can be done by a DIY enthusiast, replacing the fuel level sensor or addressing more complex issues may require professional help.

5. What are the repair options for resolving OBDII code P143E (Chevrolet) indicating Fuel Level Sensor 2 Reference Feedback Performance?

- Repair options may include replacing the fuel level sensor, repairing damaged wiring, ensuring proper fuel pump operation, and resetting the PCM to clear the code.

6. Is it safe to continue driving with OBDII code P143E (Chevrolet) associated with Fuel Level Sensor 2 Reference Feedback Performance?

- It is not recommended to drive with this code as inaccurate fuel level readings can lead to running out of fuel unexpectedly or other fuel-related issues.

7. How much does it typically cost to repair OBDII code P143E (Chevrolet) for Fuel Level Sensor 2 Reference Feedback Performance?

- The cost of repair can vary depending on the exact cause of the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Are there any maintenance tips to prevent OBDII code P143E (Chevrolet) related to Fuel Level Sensor 2 Reference Feedback Performance?

- Regularly checking the fuel level sensor, ensuring proper fuel pump maintenance, and addressing any fuel system issues promptly can help prevent this code from appearing.

9. Can weather conditions or driving habits contribute to triggering OBDII code P143E (Chevrolet) related to Fuel Level Sensor 2 Reference Feedback Performance?

- While extreme weather or rough driving conditions may not directly trigger this code, they can exacerbate existing issues with the fuel level sensor or fuel system components.

10. How long does it typically take to repair OBDII code P143E (Chevrolet) indicating Fuel Level Sensor 2 Reference Feedback Performance?

- The repair time can vary based on the specific cause of the code and the complexity of the repair, but it may take anywhere from a few hours to a full day at a repair shop.

Discuss the causes and fixes for P143E Chevrolet OBDII Code

Submit a New Comment

Code P143E Chevrolet comments

No comments found for this page.