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P2066 2017 Chevrolet Silverado Code - Fuel Level Sensor 2 Performance

Quick Answer

The P2066 diagnostic trouble code on a 2017 Chevrolet Silverado indicates an issue with the Fuel Level Sensor 2's performance. Common causes include Faulty fuel level sensor, Wiring or connection issues, Corrosion or debris in the fuel tank. 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
P2066 2017 Chevrolet Silverado indicates Fuel Level Sensor 2 Performance.
Common causes
Common causes include Faulty fuel level sensor, Wiring or connection issues, Corrosion or debris in the fuel tank.
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 Aug 30, 2024
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Code P2066 2017 Chevrolet Silverado Description

The P2066 diagnostic trouble code on a 2017 Chevrolet Silverado indicates an issue with the Fuel Level Sensor 2's performance. This sensor is responsible for measuring the level of fuel in the tank and sending this information to the vehicle's computer system. A malfunction in this sensor can lead to inaccurate fuel level readings, which can affect the vehicle's fuel efficiency, performance, and overall operation. If not addressed, this issue can potentially cause the vehicle to run out of fuel unexpectedly or experience engine stalling.

OBDII Code P2066 2017 Chevrolet Silverado - Fuel Level Sensor 2 Performance
P2066 2017 Chevrolet Silverado Code - Fuel Level Sensor 2 Performance

Common Causes of P2066 2017 Chevrolet Silverado

  1. Faulty fuel level sensor
  2. Wiring or connection issues
  3. Corrosion or debris in the fuel tank
  4. Issues with the vehicle's computer system
  5. Fuel pump problems

Symptoms of P2066 2017 Chevrolet Silverado

  1. Inaccurate fuel level readings on the dashboard
  2. Fluctuating fuel gauge
  3. Engine misfires or hesitation
  4. Difficulty starting the vehicle
  5. Check Engine Light illuminated on the dashboard

How to Fix P2066 2017 Chevrolet Silverado

  1. Diagnose the issue by using a scan tool to read the trouble codes and fuel level sensor data.
  2. Inspect the fuel level sensor and its wiring for any visible damage or corrosion.
  3. Test the sensor's resistance with a multimeter to determine if it is functioning properly.
  4. Replace the fuel level sensor if it is found to be faulty.
  5. Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2066 2017 Chevrolet Silverado

The typical repair costs for fixing a Fuel Level Sensor 2 Performance issue on a 2017 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local shops for a more accurate estimate.

What does this mean?

Tech Notes for P2066 2017 Chevrolet Silverado

A low fuel level can trigger this code. Before replacing any parts, try filling up the fuel tank and erasing the engine code. If the problem persists, it may be necessary to replace the fuel level sensor.

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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 P2066 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2066 in a 2017 Chevrolet Silverado related to the Fuel Level Sensor 2 Performance?

The common symptoms include inaccurate fuel level readings on the dashboard, fluctuating fuel gauge readings, or the fuel gauge not working at all.

2. What are the possible causes of OBDII code P2066 in a 2017 Chevrolet Silverado?

Possible causes include a faulty fuel level sensor, damaged wiring or connectors in the fuel level sensor circuit, or a problem with the vehicle's powertrain control module (PCM).

3. How can I diagnose the cause of OBDII code P2066 in my 2017 Chevrolet Silverado?

To diagnose the issue, you can use a scan tool to retrieve the trouble codes, inspect the wiring and connectors related to the fuel level sensor, and perform a resistance test on the sensor itself to determine if it is faulty.

4. Can I continue driving my 2017 Chevrolet Silverado with OBDII code P2066?

It is not recommended to continue driving with this code, as inaccurate fuel level readings can lead to running out of fuel unexpectedly or other fuel-related issues. It's best to address the problem promptly.

5. How can I repair OBDII code P2066 in my 2017 Chevrolet Silverado related to the Fuel Level Sensor 2 Performance?

Repair options may include replacing the faulty fuel level sensor, repairing or replacing damaged wiring and connectors, or reprogramming the vehicle's PCM if needed.

6. Is it possible to reset OBDII code P2066 in a 2017 Chevrolet Silverado without fixing the underlying issue?

While you can clear the trouble code with a scan tool, it is important to address the root cause of the problem to prevent the code from reoccurring.

7. How much does it typically cost to repair OBDII code P2066 in a 2017 Chevrolet Silverado at a mechanic or dealership?

The cost of repair can vary depending on the exact cause of the issue and labor rates in your area. It's advisable to get a diagnostic inspection to receive an accurate estimate.

8. Are there any preventive maintenance tips to avoid OBDII code P2066 in my 2017 Chevrolet Silverado?

Regularly inspecting the fuel system components, maintaining proper fuel levels, and addressing any fuel-related issues promptly can help prevent issues with the fuel level sensor.

9. Can extreme weather conditions affect the performance of the fuel level sensor in a 2017 Chevrolet Silverado?

Extreme temperatures or weather conditions can potentially affect the performance of the fuel level sensor, leading to inaccurate readings or other issues. It's essential to address any sensor-related issues promptly.

10. How long does it typically take to repair OBDII code P2066 in a 2017 Chevrolet Silverado related to the Fuel Level Sensor 2 Performance?

The repair time can vary depending on the exact cause of the problem, availability of parts, and the mechanic's expertise. It's advisable to consult with a professional for a more accurate estimate of the repair time.

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