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P116F Chevrolet Code - O2 Pump Current Control Circuit High Voltage (NOx Sensor 1)

Quick Answer

The P116F diagnostic trouble code (DTC) for Chevrolet vehicles specifically relates to the O2 Pump Current Control Circuit High Voltage, which is associated with the NOx Sensor 1. Common causes include Faulty O2 pump, Damaged wiring or connectors in the current control circuit, Malfunctioning NOx sensor. 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
P116F Chevrolet indicates O2 Pump Current Control Circuit High Voltage (NOx Sensor 1).
Common causes
Common causes include Faulty O2 pump, Damaged wiring or connectors in the current control circuit, Malfunctioning NOx sensor.
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 12, 2024
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Code P116F Chevrolet Description

The P116F diagnostic trouble code (DTC) for Chevrolet vehicles specifically relates to the O2 Pump Current Control Circuit High Voltage, which is associated with the NOx Sensor 1. This code indicates that there is a problem with the circuit that controls the current for the O2 pump, resulting in a higher than normal voltage being detected. The O2 pump is responsible for maintaining the correct oxygen levels in the exhaust system, which is crucial for the proper functioning of the vehicle's emissions control system.

OBDII Code P116F Chevrolet - O2 Pump Current Control Circuit High Voltage (NOx Sensor 1)
P116F Chevrolet Code - O2 Pump Current Control Circuit High Voltage (NOx Sensor 1)

Common Causes of P116F Chevrolet

  1. Faulty O2 pump
  2. Damaged wiring or connectors in the current control circuit
  3. Malfunctioning NOx sensor
  4. Issues with the engine control module (ECM)
  5. Corrosion or contamination in the sensor or circuit

Symptoms of P116F Chevrolet

  1. Rough idling or stalling
  2. Decreased fuel efficiency
  3. Check engine light illuminated
  4. Failed emissions test
  5. Reduced engine performance

How to Fix P116F Chevrolet

  1. Begin by conducting a thorough inspection of the O2 pump, wiring, connectors, and NOx sensor to identify any visible damage or issues.
  2. Test the O2 pump and NOx sensor using a multimeter to check for proper functionality.
  3. Check the ECM for any stored fault codes that may be related to the P116F code.
  4. Replace any faulty components, such as the O2 pump, NOx sensor, or damaged wiring, and ensure all connections are secure.
  5. Clear the DTC and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P116F Chevrolet

The typical repair costs for addressing the P116F code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing the O2 pump, NOx sensor, or repairing damaged wiring can range from $200 to $600, including parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Factors such as location, vehicle make and model, and engine type can also influence the final repair costs. It's recommended to obtain a detailed estimate from a trusted auto repair shop to determine the exact cost for resolving the P116F code.

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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 P116F Chevrolet Code

1. What are the common symptoms of OBDII code P116F in a Chevrolet vehicle?

The common symptoms of OBDII code P116F (O2 Pump Current Control Circuit High Voltage - NOx Sensor 1) in a Chevrolet include reduced engine performance, rough idling, and decreased fuel efficiency.

2. What are the possible causes of OBDII code P116F in a Chevrolet?

Possible causes of OBDII code P116F in a Chevrolet may include a faulty NOx sensor 1, issues with the O2 pump current control circuit, damaged wiring or connectors, or a malfunctioning PCM (powertrain control module).

3. How can I diagnose OBDII code P116F in my Chevrolet?

Diagnosing OBDII code P116F in your Chevrolet typically involves using an OBDII scanner to retrieve the trouble codes, inspecting the NOx sensor 1 and its wiring, checking the O2 pump current control circuit, and testing the PCM for proper functionality.

4. Can I drive my Chevrolet with OBDII code P116F?

It is not recommended to drive your Chevrolet with OBDII code P116F present, as it can lead to further engine damage and potentially cause safety issues. It is best to address the underlying problem promptly.

5. How can I repair OBDII code P116F in my Chevrolet?

Repairing OBDII code P116F in your Chevrolet may involve replacing the faulty NOx sensor 1, repairing or replacing damaged wiring or connectors, addressing issues with the O2 pump current control circuit, or reprogramming the PCM.

6. Is it safe to ignore OBDII code P116F in my Chevrolet?

Ignoring OBDII code P116F in your Chevrolet is not recommended, as it can affect the vehicle's performance and fuel efficiency. It is best to have the issue diagnosed and repaired as soon as possible.

7. Can a DIY enthusiast fix OBDII code P116F in a Chevrolet?

A DIY enthusiast with appropriate knowledge and tools may be able to address OBDII code P116F in a Chevrolet, especially if they are experienced with automotive electrical systems. However, professional help is recommended for accurate diagnosis and repair.

8. How much does it cost to repair OBDII code P116F in a Chevrolet?

The cost to repair OBDII code P116F in a Chevrolet can vary depending on the specific cause of the issue, labor rates in your area, and whether genuine or aftermarket parts are used. It is advisable to obtain quotes from reputable mechanics or dealerships.

9. Will OBDII code P116F cause my Chevrolet to fail an emissions test?

OBDII code P116F, related to the O2 pump current control circuit high voltage in the NOx sensor 1 of a Chevrolet, can potentially cause the vehicle to fail an emissions test due to increased emissions and poor performance. It is important to address the issue before undergoing an emissions test.

10. How often does OBDII code P116F occur in Chevrolet vehicles?

OBDII code P116F related to the O2 pump current control circuit high voltage in the NOx sensor 1 is a relatively uncommon issue in Chevrolet vehicles. However, if it does occur, prompt diagnosis and repair are necessary to ensure optimal vehicle performance.

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