Showing articles & questions for topic
MAF (Mass Air Flow) sensors

Related articles

Symptoms of a Bad or Failing Mass Airflow Sensor
Common signs include running rich at idle or lean under load, decrease in fuel efficiency, and rough idles.
How Often Does the Mass Air Flow Sensor Need to Be Replaced?
The mass air flow sensor is quite a complex little component of multiport fuel injection systems with a critical role in the performance of your engine. Not only does it work...
How to Buy a Good Quality Mass Airflow Sensor
A faulty mass airflow meter can cause myriad problems, such as rough acceleration and idling, stalling and hesitation. It may be difficult to diagnose since the failure of a...
How Your ECU Uses Sensor Data
When you get upset with your car and start to think it has a mind of its own, you’re not too far off from the truth. The engine control unit (ECU) is responsible for a...
How Long Does a Mass Airflow Sensor Last?
The right amount of air and fuel in your engine is a vital component in keeping the engine running as it should. Making sure that all of the vital components of...
How Do Sensors Get Dirty or Damaged?
Sensors play an integral role in the performance of your car’s engine. When one sensor stops working, it can cause the entire system to malfunction. The diagnostic computer relies on the information provided...
How to Replace a Mass Airflow Sensor
The mass airflow sensor (MAF) helps the engine's computer maintain optimal combustion. Signs of failure include a rough idle and the car running rich.

Related questions

Question
My car is hesitating / jerking at speed intervals of 20 mph, 30 mph, 35 mph and 40 mph.
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...
Question
Is the idle air control and mass air flow sensor are related
Hello. The mass airflow sensor and the idle air control both service as inputs for the computer to make critical calculations. If the leak you are referring to is a vacuum leak, then yes, all of these components can play...
Question
Kia Cerato 2011 jerks when accerating
Your car's engine intake system has something called a mass air flow sensor that monitors air intake as it is mixed with fuel prior to being injected into the motor. When this fails, this can cause an imbalanced air/fuel load...
Question
Engine light and rpm increased while driving
This is a common sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...
Question
The engine light is on and displaying a P1101 code on my code reader.
Hi and thanks for contacting Your Mechanic. The code P1101 means that the mass airflow sensor (MAF) is out of self-test range. Check to see if the clamps to the sensor are tight. A slight leak of air around the...
Question
The code p0102 shows up after cleaning the mass air flow sensor.
Hi and thanks for contacting Your Mechanic. The wiring harness to the mass air flow sensor (MAF) could have a break in the wires. Disconnect your battery and remove the harness to the MAF and your computer. Use a digital...
Question
Mass Air Flow Sensor Replacement - Do I need to have Fuel Injectors Cleaned too?
When the Mass Airflow Sensor (MAF) is replaced it is not a requirement to clean the fuel injectors. The fuel injectors may be clogged for other reasons and maybe causing hesitations or lack of power and then they would need...
Question
Can a collision in the front of my car cause a mass air flow sensor to malfunction? I need to make a claim for the insurance.
Unless the sensor has been physically damaged by the accident you were in, it would be impossible to know if it was damaged by the accident or not. The MAF sensor is a common sensor to fail on these vehicles...
Question
Engine runs rough sometimes and then it cuts out.
Hi there. With the conditions that your vehicle is having is that the mass air flow sensor (MAF) is probably dirty and not functioning correctly. I recommend cleaning the mass air flow sensor with electrical cleaner and then putting it...
Question
Truck jerks trying to change gear around 45mph
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...
Question
Car makes a jerking reaction when accelerating.
This may be a sign of a dirty or failing mass air flow sensor or a faulty throttle position sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed...
Question
Engine surging and speedometer dropping?
This is somewhat common when your mass air flow sensor is dirty or faulty. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...
Question
Car Jerks
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...
Question
Jerking reaction when accelerating
This may be a couple of different things. When a transmission is low on fluid, this can cause a jerking reaction as you describe. Automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required,...
Question
Car shaking and you smell fumes when start up
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...
Question
Truck starts to hesitate under load
This may be related to low fuel pressure or potentially a failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to...
Question
Car is stalling heavily, check engine light on, scanner shows P0101 MAF
Generally, the mass air flow sensor code will register either when it is dirty or when it is failing for other reasons such as lack of proper voltage or connection. The mass air flow sensor is a unit in the...
Question
OD2 scanner read trouble code P0101
Your computer may not be able to correctly interpret the data from the mass airflow sensor on your engine causing the P0101 code to keep returning. The manufacturer has a Technical Service Bulletin that came out January 30th of 2015....
Question
Acceleration problems
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...
Question
Why do car rpms bounce when I put it in drive?
This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to being injected...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question