There are several designs of maf sensors but the most common by far is the hot wire maf sensor.
Can you drive with a bad mass air flow sensor.
You can get a genuine air flow sensor or you could get off market sensors.
Quick test to tell if mass air flow sensor is bad or dirty which could be causing your car or truck to run bad or keep cutting off.
The price you get for the replacement can vary due to a variety of factors.
You can drive your vehicle with a bad mass air flow sensor for a while but it is not advisable to continue doing so for a long time even if your car can still run and that is because ignoring your car maf sensor problem can escalate beyond just the mass air flow sensor problem to a more severe engine problem that might even require getting a.
The mass air flow maf sensor part of your vehicle s electronic fuel injection system is responsible for calculating the total amount of air entering the engine.
In most cases a faulty mass flow sensor has a specific code that will generate during computer diagnostics and is usually easy to determine with computer testing equipment.
A faulty maf sensor can cause your vehicle to run too rich or run too lean.
If the mass air flow sensor isn t working properly then you will be faced with one or more symptoms such as lack of power and bad fuel economy.
This is understandable with a bad mass air flow sensor because it will cause the internal combustion chamber to have an inadequate mixture of air and gasoline.
The job of the mass air flow sensor is to keep track of the amount of air coming in through the air filter so that the ecu can adjust the amount of fuel getting into the engine.
You ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires.
If you believe your car has a faulty mass air flow sensor take it to a qualified mechanic so that a complete computer diagnostic can be run.
In this video i tell you how to tell if you need a mass air flow sensor.
If the engine is going to successfully turn over then you need to correct this problem so that the spark plugs can ignite the proper mixture.
If the car dies when you disconnect the mass airflow sensor then that means it was working right and that your computer has issues.
If your car is.
The pcm uses this input to calculate engine load.
On top of testing the mass airflow sensor by disconnecting it you can also test some of your vehicles other sensors by disconnecting the mass airflow sensor.
Therefore on average you are expected to pay 200 to 400 in total for a mass air flow sensor replacement.