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

Related articles

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
Where is the map sensor located? 2004 Volvo XC90
Hi - the mass air flow meter (MAF) is located in between the air cleaner housing, and the engine's intake manifold. It is a black plastic cylinder about the size of a large coffee cup, with an electrical connector (3-4...
Question
Car jerking
The hole drilled into your MAF sensor has altered the metered reading of air being injected into your car. The mass air flow sensor monitors air intake as it is mixed with fuel prior to being injected into the motor....
Question
After oxygen sensor replacement I'm getting a P1273 error. The engine starts up but won't stay on and stalls.
Hi there. For the code P1273 to show up on your Nissan, there is either an issue with the fuel system or the air intake control system. Check the fuel pressure on the fuel rail and see if there is...
Question
Hey whats going on guys i have 2003 4.2l 256ci f150 FX2 and I am getting a code for the Mass Air Flow sensor.
Hi there. Check the wiring to the mass air flow sensor (MAF Sensor) and see if there is an broken or frayed wires. If there is no damage to the wiring, then check the circuit on the wiring for a...
Question
Squealing when driving and breaking and rpms jump by 500 while driving.
Hello There, It sounds like you may have two separate issues going on here. The squealing sound is likely your brake pads which have wear indicators on them that are designed to produce a squeaking sound signaling that it may...
Question
Why does my vehicle go into reduce engine power mode. 2008 Chevrolet Silverado
Hello. I would need to know what code you are getting to know what needs to be done to take care of this. If you are getting a MAF code then the sensor may be failing, but that will not...
Question
No crank and no start.
Hi there. If the wires connected to the mass air flow sensor (MAF) was broken and all of the wires were touching each other, then the wires would have shorted out the MAF sensor. I recommend repairing the wires and...
Question
93 Oldsmobile Cutlass supreme won't start.
Hi there. Check the camshaft and crankshaft position sensors and make sure that they are plugged in. If the engine is cranking but not starting then the crankshaft position sensor could have failed. Also, check the mass air flow sensor...
Question
Where is the Mass AirFlow (MAF) sensor located on this car? 2005 Saturn L300
Hello - the mass airflow (MAF) sensor is the black plastic cylindrical tube with an electrical harness that goes into the air filter housing on your engine air intake system. I would check for problem codes first however, as the...
Question
I just had a air mass filter sensor put in my car 2011 on Nissan Altima plus a new air filter and the check engine soon light came on.
Hi there. Check the harness to the mass air flow sensor (MAF) and see if its connected correctly. Check all of the clamps around the sensor and make sure that they are all tight. The light is still coming on...
Question
Toyota cynos is sputtering and stalls out.
Hi there. There could be a vacuum leak on the engine or to the brake booster causing the engine to run rough and then rev up and down. If all of the vacuum lines are good with no crack, breaks,...
Question
I got the code P0133, 1/1 sensor voltage is weavering at about .7 v, and left side of engine running rich.
Hi there. Check the wiring to the oxygen sensors and see if they are broken or shorted to ground. If the wiring looks good, then check the mass air flow sensor (MAF) and see if the MAF sensor is dirty,...
Question
Sometimes when I get to an intersection my car will die unless I keep my foot on the gas a little. Also, when I try to go up hills it will try to stop.
Hi there. Check the air idle control valve (IAC) and see if its plugged in or if the vacuum line is cracked. If the IAC is working, check for any additional vacuum leaks that the engine could have. If there...
Question
I have a p0174 code that was reviewed on a scanner.
Hi there. The code P0132 in on for an issue with the upstream oxygen sensor. There could be a broken wire, frayed wire touching something metal, or the sensor could have failed. The code P0174 is on for the Mass...
Question
My car shuts off when driving?
Hi there. If you already replaced the camshaft position sensor and the engine light comes on with the codes for the same issue, then the Mass Air Flow sensor (MAF) could be defective or dirty. Remove the MAF and clean...
Question
Engine Light On - System Too Lean.
Hi there. Check the mass air flow sensor (MAF) and see if it got unplugged. When the oil change was done, most likely the air filter was checked and the MAF sensor was disturbed. Also, check all of the vacuum...
Question
I have a 2002 lancer oz rally. It starts right up just fine but after about 10 seconds it shuts off.
Hi there. There could be a vacuum leak, the timing could have jumped, or the Mass Air Flow sensor could be dirty or have failed causing the engine to stall out after 10 seconds of operation. Billing question was sent...
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...

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