How to Fix P0101 Mass or Volume Air Flow “Nissan Altima” Mass Air Flow Sensor Fixed

In this video, I will show you how to fix p0101 mass air flow sensor circuit. We’re working on a 2011 Nissan Altima and in this video, I just wanted to go over a few things we found. First, we tried cleaning the mass air flow sensor which in a lot of cases can help and is always a good thing to try before replacing the mass air flow sensor.

If you need to know how to clean the mass air flow sensor they do sell mass air flow sensor cleaner here https://amzn.to/3yef3wP . Sometimes just this alone will fix a p0101 On this vehicle, we actually had to replace the mass air flow sensor and also there’s a service bulletin that states a computer should be updated with new software to prevent this problem from happening. We deliver all this information in this video about Nissan’s mass air flow problems.

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Most Common Cause of a P0101 “Mass Air Flow (MAF) Circuit/Performance Malfunction”

Most Common Cause of a P0101

Most common cause of a p0101 “Mass Air Flow (MAF) Circuit/Performance Malfunction”?
Code P0101 Definition
Mass Air Flow (MAF) Circuit/Performance Malfunction

Mass air flow sensor cleaner: https://amzn.to/2F9dQht

Code P0101 Meaning
The mass air flow (MAF) sensor measures the amount of air entering the engine. Check engine light code P0101 is set when the measurement of air entering the engine by the mass air flow sensor is outside of the manufacturer’s specified range.

Symptoms
Engine stalling
Difficulty starting
Lack of power
Rough idle
Causes
Dirty, obstructed, or faulty mass air flow sensor
Damaged or disconnected air intake boot (snorkel)
Vacuum leak
Clogged or improperly installed the air filter
Clogged catalytic converter / restricted exhaust

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