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MAF (Mass Air Flow) sensors

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Symptoms of a Bad or Failing Mass Airflow Sensor
Common signs of problems with a mass airflow sensor 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
Why do I keep getting a P0101 code in my 2011 Nissan Sentra
Hello. If you are continuing to get the same code then the engine needs to be checked first for any vacuum leaks. The slightest leak in the intake tubes or any of the vacuum hoses or gaskets will cause this....
Question
Chrysler Sebring keeps setting codes even after replacing several parts
It sounds like you may have fixed the catalytic converter problem, but still have more issues. The codes you have now are as follows: P0101 MAF Circuit Range/Performance, P0202 Cylinder #2 Injector Circuit Malfunction and MAP Sensor Input High. These...
Question
Lack of response when stepping on the gas.
Your engine has a couple sensors that can cause the symptom you talk about.You should have the computer scanned for codes first and then the datastream can be looked at to see if the computer is losing input from the...
Question
2006 GMC 2500 HD P0101 Mass ari flow sensor (MAF) performance
The powertrain control module (PCM) sends the mass air flow (MAF) sensor a 12-volt reference signal. Incoming air flows over a wire inside the MAF, which allows it to measure intake air temperature, and therefore air density. The MAF then...
Question
P0304 code.
You should make sure the mass air flow sensor is connected and inlet to throttle body hooked up. If it is and problem continues then tr to disconnect the MAF sensor and see if engine runs okay? If it does...
Question
When vehilcle gets to 60mph or more it sputters / (small backfires) in the exhaust along with increased valve clatter, heating up.
It sounds like the engine is getting starved for fuel above 60 mph. I would first try and test for any codes in computer and then if no codes then check fuel pressure to see if it is normal. If...
Question
P0113 error code. MAF unit and harness is fine. What is the issue?
The Mass Air Flow sensor (MAF) has failed and needs replaced. When the MAF sensor has a high voltage output, then the functions of the MAF sensor has stopped metering the air into the engine. I recommend replacing the MAF...
Question
There is no power and is shaking in overdrive.
The Mass Air Flow sensor (MAF) may be dirty and causing the throttle position sensor to act up. Remove the MAF and clean it with electrical cleaner and then put it back on. Check all the hose clamp connections to...
Question
My Acura TL 1999 has a idling problem. It idles high to low. And it takes a while for the gears to switch when I'm reversing and in drive.
For the idle condition, check the (IAC) Idle Air Control Valve and see if its plugged up. You can take it off and clean it and then put it back on. If the idle continues to be irreratic, then the...
Question
Rough idling
Hi there. It's possible that your throttle position sensor is the cause of your idle issues. If you cleaned the throttle body and that helped, it's also possible cleaning the fuel injectors and ERG valve would also improve this situation....
Question
Vehicle was sputtering and lost power. Gets spark, cranks but wont start
Hello. There are few things that I recommend you have a technician inspect. In order of probability your vehicle may have a bad mass air flow sensor, a bad crank position sensor, a bad throttle position sensor, or restricted fuel...
Question
Can I try using blue devil head gasket repair even if I'm not even sure that the head gasket is the problem?
You can try the Blue Devil head gasket repair fluid. The only thing is if the cylinder head has a crack, the gasket repair will not effect aluminum or cast iron. For the conditions that your described, either the Idle...
Question
My car jerk's some times one week is good and the other week is bad.
Either the EGR - Exhaust Gas Recirculation - has been plugged up or the MAF - Mass Air Flow - sensor is dirty or damaged. Try removing the vacuum line to the EGR and test driving the vehicle with the...
Question
I got a 1999 Ford Windstar LX. It is jerking when I go over 45 or 50.
Hi there. Either the EGR - Exhaust Gas Recirculation - has been plugged up or the MAF - Mass Air Flow - sensor is dirty or damaged. Try removing the vacuum line to the EGR and test driving the vehicle...
Question
I have a 1997 dodge ram 1500. It is not getting up to speed and acts like it has no power.
Hi there. Check the fuel pressure on the fuel rail and see if there is at least 30 psi. If the fuel pressure is low, then either the fuel filter is plugged or the fuel pump is not producing enough...
Question
Full exhaust system is not hooked up.
Check to see what on your exhaust system is hooked up. If your catalytic converter is hooked up and the pipes are hooked to the engine with good gaskets, then as long as the sensors are working, there is nothing...
Question
I Had a diagnostic test for Ford escort. What can I do about the Mass Air Flow sensor?
Hi there. You can remove and clean the Mass Air Flow sensor with an electrical cleaner that is non chlorinated. If the sensor is cleaned out and the light is still on, check the intake hoses from the sensor to...
Question
Trying to locate the Mass Air Flow sensor , and the Idle Air Control valve 2002 Ford Fiesta
Hello - Mass Air Flow meter is a short, cylindrical section of the air intake, just inside of the air filter housing, and just before a large cuved plastic-molded piece of the air intake. It has a flat electrical connector...
Question
I sprayed intake cleaner, and dodge intrepid started idle jumping and wont settle
If you sprayed cleaner into the MAF sensor when it was running then you may have damaged the sensor. If you have the sensor and intake inlet off and trying to run the engine then you will need to have...
Question
My check engine light just started turning on when I accelerate. When the car is at a stand still or parked the light is off. I ha
A vehicle's check engine light illuminates whenever there is a malfunction. The first thing you should do is use a code scanner to download, from the OBD-II system, any trouble codes that have stored along with freeze frame data. Without...

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