AutoCodes – Nissan – P0102 2010 Nissan Sentra

P0102 2010 Nissan Sentra Code - Mass or Volume Air Flow Circuit Low Input

Quick Answer

The Mass Air Flow (MAF) sensor is placed in the stream of the intake air. Common causes include Dirty Air Filter, Dirty Mass Air Flow (MAF) Sensor, Intake air leaks. 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: P0102 2010 Nissan Sentra indicates Mass or Volume Air Flow Circuit Low Input.
Common causes: Common causes include Dirty Air Filter, Dirty Mass Air Flow (MAF) Sensor, Intake air leaks.
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.

Save to My Repairs Step-by-Step Diagnostic Guide My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 4,927

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 18, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0102 2010 Nissan Sentra Description

The Mass Air Flow (MAF) sensor is placed in the stream of the intake air. It measures the intake flow rate by measuring a part of the entire intake flow. It consists of a hot film that is supplied with electric current from the Engine Control Module (ECM). The ECM controls the temperature of the hot film by a certain amount. The heat generated by the hot film is reduced as the intake air flows around it. The more air, the greater the heat loss. Therefore, the ECM must supply more electric current to maintain the temperature of the hot film as air flow increases. The ECM detects the air flow by means of this current change. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the MAF Sensor Signal is less than the factory specifications.

OBDII Code P0102 2010 Nissan Sentra - Mass or Volume Air Flow Circuit Low Input - AutoCodes.com — P0102 2010 Nissan Sentra Code - Mass or Volume Air Flow Circuit Low Input

What does this mean?

What are the Possible Causes of the DTC P0102 2010 Nissan Sentra?

Dirty Air Filter
Dirty Mass Air Flow (MAF) Sensor
Intake air leaks
Faulty Mass Air Flow (MAF) Sensor
Mass Air Flow (MAF) Sensor harness is open or shorted
Mass Air Flow (MAF) Sensor circuit poor electrical connection

How to Fix the DTC P0102 2010 Nissan Sentra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

Before replacing the Mass Air Flow (MAF) Sensor, try replacing the air filter and cleaning the Mass Air Flow Sensor with low compress air or Mass Air Flow Sensor Cleaner. Reset code and drive vehicle. If the code comes back, you must replace the Mass Air Flow Sensor to fix the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0102 2010 Nissan Sentra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0102 2010 Nissan Sentra code?

Need more information on how to fix the P0102 2010 Nissan Sentra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0102 2010 Nissan Sentra code diagnosed by a professional: Find a repair shop in your area

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 P0102 2010 Nissan Sentra Code

1. What are the common symptoms of OBDII code P0102 in a 2010 Nissan Sentra?

- Common symptoms include poor engine performance, stalling, rough idling, decreased fuel efficiency, and potential hesitation during acceleration.

2. What does the OBDII code P0102 for a 2010 Nissan Sentra indicate?

- The code P0102 indicates a low input signal from the Mass Air Flow (MAF) sensor in the vehicle's air intake system.

3. What are the possible causes of the P0102 code in a 2010 Nissan Sentra?

- Possible causes include a faulty MAF sensor, damaged or dirty air filter, vacuum leaks, wiring issues, or a problem with the intake air temperature (IAT) sensor.

4. How can I diagnose the P0102 code in my 2010 Nissan Sentra?

- You can start by visually inspecting the MAF sensor and related components, checking for any loose connections or damaged wiring. Using an OBDII scanner to monitor sensor readings can also help pinpoint the issue.

5. Can a dirty air filter cause the P0102 code in a 2010 Nissan Sentra?

- Yes, a dirty or clogged air filter can disrupt the airflow and lead to incorrect readings by the MAF sensor, triggering the P0102 code.

6. What are some tips for repairing the P0102 code in a 2010 Nissan Sentra?

- Start by cleaning or replacing the air filter, inspecting and cleaning the MAF sensor, checking for vacuum leaks, and ensuring all connections are secure. If the issue persists, consider replacing the MAF sensor.

7. Is it safe to continue driving with the P0102 code in a 2010 Nissan Sentra?

- It is not recommended to drive with the P0102 code present, as it can lead to further engine damage and decreased performance over time. Addressing the issue promptly is advisable.

8. Can a DIY enthusiast fix the P0102 code in a 2010 Nissan Sentra?

- Yes, some basic troubleshooting steps like cleaning the MAF sensor or replacing the air filter can be performed by DIY enthusiasts. However, for more complex issues, professional assistance may be required.

9. Will resetting the OBDII code P0102 in a 2010 Nissan Sentra make it go away permanently?

- Simply resetting the code may temporarily turn off the Check Engine Light, but the underlying issue causing the P0102 code will likely resurface if not properly addressed.

10. How much does it typically cost to repair the P0102 code in a 2010 Nissan Sentra?

- The cost of repairing the P0102 code can vary depending on the specific cause of the issue. Replacing a MAF sensor, for example, can cost between $100 to $400, including parts and labor.