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Engine-Codes – Generic – P116E

P116E Code - Air Mass Flow Sensor Signal Electrical

Quick Answer

The P116E code indicates a potential issue with the Air Mass Flow Sensor (AMFS) signal electrical circuit in the vehicle. Common causes include Faulty Air Mass Flow Sensor, Damaged wiring or connectors in the electrical circuit, 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
P116E indicates Air Mass Flow Sensor Signal Electrical.
Common causes
Common causes include Faulty Air Mass Flow Sensor, Damaged wiring or connectors in the electrical circuit, 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 08, 2024
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Code P116E Description

The P116E code indicates a potential issue with the Air Mass Flow Sensor (AMFS) signal electrical circuit in the vehicle. The AMFS is a crucial component of the engine management system, as it measures the amount of air entering the engine to help determine the correct air-fuel mixture for combustion. This information is essential for the engine to operate efficiently and maintain optimal performance.

OBDII Code P116E - Air Mass Flow Sensor Signal Electrical
P116E Code - Air Mass Flow Sensor Signal Electrical

Common Causes of P116E

  1. Faulty Air Mass Flow Sensor
  2. Damaged wiring or connectors in the electrical circuit
  3. ECM malfunction
  4. Air intake system leaks
  5. Dirty or clogged air filter

Symptoms of P116E

  1. Decreased fuel efficiency
  2. Rough idling or engine vibrations
  3. Loss of power during acceleration
  4. Engine hesitation or stalling
  5. Engine misfires

How to Fix P116E

  1. Start by diagnosing the issue using a diagnostic scanner to confirm the P116E code and pinpoint the exact cause.
  2. Inspect the Air Mass Flow Sensor, wiring, and connectors for any visible damage or corrosion. Replace any faulty components.
  3. Check the air intake system for leaks and repair any found leaks.
  4. Clear the error code and reset the ECM to see if the issue persists.
  5. Test drive the vehicle to ensure the problem has been resolved and that the engine runs smoothly.

Cost to Fix P116E

The typical repair costs for addressing a P116E code can range from $150 to $500, depending on the specific cause of the issue and the price of parts and labor in your area. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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Code P116E Information for Specific Makes

  • P116E BMW — Air Mass Flow Sensor Signal Electrical
  • P116E Buick — O2 Pump Current Control Circuit Low Voltage (NOx Sensor 1)
  • P116E Cadillac — O2 Pump Current Control Circuit Low Voltage (NOx Sensor 1)
  • P116E Chevrolet — O2 Pump Current Control Circuit Low Voltage (NOx Sensor 1)
  • P116E GMC — O2 Pump Current Control Circuit Low Voltage (NOx Sensor 1)
  • P116E MINI — Air Mass Flow Sensor Signal Electrical
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 P116E Code

1. What are the common symptoms of OBDII code P116E (Air Mass Flow Sensor Signal Electrical)?

- Common symptoms include poor engine performance, reduced fuel efficiency, rough idling, and potential stalling.

2. What are the possible causes of OBDII code P116E?

- The code P116E can be triggered by issues such as a faulty air mass flow sensor, wiring problems, or a defective engine control module (ECM).

3. How can I diagnose the cause of OBDII code P116E?

- To diagnose the cause of P116E, you can perform a visual inspection of the sensor and its wiring, conduct a voltage test on the sensor, and use a professional OBDII scanner for further analysis.

4. Can a dirty air filter trigger OBDII code P116E?

- Yes, a dirty air filter can impact the performance of the air mass flow sensor and potentially trigger code P116E. It is recommended to check and replace the air filter if needed.

5. What is the recommended repair for OBDII code P116E?

- The recommended repair for code P116E is to address the root cause, which may involve replacing the air mass flow sensor, repairing damaged wiring, or reprogramming the ECM.

6. Can driving with OBDII code P116E cause further damage to the vehicle?

- Continuing to drive with code P116E may lead to decreased fuel efficiency, engine performance issues, and potential damage to other engine components over time. It is advised to address the issue promptly.

7. Is it safe to reset the OBDII code P116E without fixing the underlying problem?

- Resetting the code without addressing the underlying issue will only temporarily clear the warning light. It is essential to diagnose and repair the root cause to prevent further issues.

8. How much does it typically cost to repair OBDII code P116E?

- The cost of repairing code P116E can vary depending on the cause of the issue, the labor rates in your area, and the specific parts needed. It is advisable to consult a professional mechanic for a precise estimate.

9. Can a DIY enthusiast fix OBDII code P116E at home?

- Depending on your skills and knowledge, you may be able to address code P116E at home by following diagnostic procedures and replacing components like the air mass flow sensor. However, it is recommended to seek professional guidance if needed.

10. Are there any preventive measures to avoid OBDII code P116E in the future?

- To prevent OBDII code P116E, it is advisable to perform regular maintenance on your vehicle, including air filter replacements, sensor inspections, and timely repairs of any related issues.

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