AutoCodes – Nissan – P0102 2008 Nissan Maxima

P0102 2008 Nissan Maxima 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 2008 Nissan Maxima 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.

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Code Popularity 6,266

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
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Code P0102 2008 Nissan Maxima 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 2008 Nissan Maxima - Mass or Volume Air Flow Circuit Low Input - AutoCodes.com — P0102 2008 Nissan Maxima Code - Mass or Volume Air Flow Circuit Low Input

What does this mean?

What are the Possible Causes of the DTC P0102 2008 Nissan Maxima?

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 2008 Nissan Maxima?

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 2008 Nissan Maxima 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.

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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 P0102 2008 Nissan Maxima Code

1. What are common symptoms of OBDII code P0102 on a 2008 Nissan Maxima?

- Common symptoms include poor acceleration, rough idling, stalling, and a decrease in fuel efficiency.

2. What does the OBDII code P0102 indicate in a 2008 Nissan Maxima?

- This code indicates a low input signal from the mass air flow (MAF) sensor or volume air flow (VAF) sensor circuit.

3. What are some possible causes of OBDII code P0102 on a 2008 Nissan Maxima?

- Possible causes include a faulty MAF/VAF sensor, damaged wiring or connectors, a clogged air filter, or a vacuum leak.

4. How can I diagnose the issue causing OBDII code P0102 on my 2008 Nissan Maxima?

- You can start by inspecting the MAF/VAF sensor and its wiring, checking the air filter, and looking for any visible signs of damage or leaks in the air intake system.

5. Can a dirty air filter trigger OBDII code P0102 on a 2008 Nissan Maxima?

- Yes, a dirty or clogged air filter can disrupt the air-to-fuel ratio, leading to a low input signal from the MAF/VAF sensor and triggering the P0102 code.

6. Is it safe to continue driving with OBDII code P0102 on a 2008 Nissan Maxima?

- It is not recommended to drive with this code present, as it can impact the vehicle's performance and fuel efficiency. Prompt diagnosis and repair are advised.

7. How can I reset the OBDII code P0102 on my 2008 Nissan Maxima?

- You can reset the code using an OBDII scanner or by disconnecting the car's battery for a few minutes. However, the underlying issue should still be addressed.

8. Will cleaning the MAF sensor resolve OBDII code P0102 on a 2008 Nissan Maxima?

- Cleaning the MAF sensor can sometimes improve sensor performance and resolve the code if the issue was caused by dirt or debris affecting sensor readings.

9. What are the repair options for fixing OBDII code P0102 on a 2008 Nissan Maxima?

- Repair options may include replacing the MAF/VAF sensor, repairing damaged wiring, cleaning the sensor, replacing the air filter, or fixing any vacuum leaks.

10. How can I prevent OBDII code P0102 from recurring on my 2008 Nissan Maxima?

- Regular maintenance, such as replacing the air filter as recommended, checking for vacuum leaks, and ensuring proper MAF sensor function, can help prevent the code from recurring.