A maf sensor that behaves like this will require replacement.
Mazda 3 mass air flow sensor problems.
With the mazda 3 p0101 means the the mass air flow maf sensor has a range performance problem.
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.
If the circuit has an issue replacing the sensor will not solve your problem.
Faersi mass air flow sensor meter maf 74 50009 af10029 for 1999 2012 mazda 3 5 6 mx 5 miata protege 1 6l 1 8l 2 0l 2 3l 2 5l l4 mazda 6 3 0l 3 7l v6 mazda rx 8 1 3l r2.
Photo s show my 2005 mazda 3 2 3l but this generally applies to all models.
Next open the hood of your mazda.
Locate the mass air flow sensor on your mazda 5 the sensor is located near the engine air filter housing.
Amrxuts mass air flow sensor for mazda 2013 2019 cx 5 2014 2018 mazda 3 2 0l 2 5l 2014 2019 mazda 6 2 5l e5t62271 pe01 13 215 1 pcs gzycsfocusqp mass air flow meter sensor map sensor compatible for mazda cx5 cx4 mazda3 6 pe01 e5t62271.
You ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires.
A faulty maf sensor can cause your vehicle to run too rich or run too lean.
As a result the engine either halts or idles roughly.
Before replacing the sensor however the rest of the circuit should be checked for proper operation.
It should be considered a high priority to fix as the maf sensor not reading properly can really make an impact on the performance of the vehicle.
The maf sensor may just be in a slightly different location like the one cam shows in the comments for his mazda 3 ts 1 6 from the uk.
The maf sensor is used to measure intake air volume for use in calculations to determine fuel and timing.
Engine idles roughly or halts.
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.
In that case the car s computer cannot control the fuel to air ratio because the sensor does not send any information to it.
These are the bad maf sensor symptoms that indicate that the sensor is completely out of order.
Let the engine cool down.
Unplug the wire harness.
Rough idle or stalls.
Remove the screws that hold the mass air flow sensor in place.