Mazda 3 Air Flow Meter Problems

Let the engine cool down.

Mazda 3 air flow meter problems.

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. A faulty maf sensor can cause your vehicle to run too rich or run too lean. 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.

You ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires. Before replacing the sensor however the rest of the circuit should be checked for proper operation. If the circuit has an issue replacing the sensor will not solve your 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.

Rough idle or stalls. With the mazda 3 p0101 means the the mass air flow maf sensor has a range performance problem. Sure enough the swapped sensor cured the problem. Next unplug the electrical connector from your mazda mass air flow sensor.

The car only restarted twice then refused to fire up. If you are going to replace the maf yourself then i d always recommend buying an oem mass air flow sensor. We will cover exactly what that means and potential fixes for it below. Photo s show my 2005 mazda 3 2 3l but this generally applies to all models.

Replacing a mass air flow sensor is fairly straight forward so most of the cost comes from the cost of the part and not the labor. A completely failed maf sensor will not send any airflow information to the pcm. A maf sensor that behaves like this will require replacement. All idiot lights were on at once just after cold start of 2014 mazda 3 2 0l.

Next open the hood of your mazda. Unplug the wire harness. Mazda air flow sensor screwdriver. A replacement mass air flow sensor can cost anywhere from 20 to 600.