Mazda 3 Air Flow Meter Problems

All idiot lights were on at once just after cold start of 2014 mazda 3 2 0l.

Mazda 3 air flow meter problems.

You ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires. The maf sensor is used to measure intake air volume for use in calculations to determine fuel and timing. The car only restarted twice then refused to fire up. 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 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. A completely failed maf sensor will not send any airflow information to the pcm. Let the engine cool down. A replacement mass air flow sensor can cost anywhere from 20 to 600.

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. 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. Before replacing the sensor however the rest of the circuit should be checked for proper operation. If you are going to replace the maf yourself then i d always recommend buying an oem mass air flow sensor.

With the mazda 3 p0101 means the the mass air flow maf sensor has a range performance problem. Rough idle or stalls. Mazda air flow sensor screwdriver. Locate the mass air flow sensor on your mazda 5 the sensor is located near the engine air filter housing.

A maf sensor that behaves like this will require replacement. 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. Sure enough the swapped sensor cured the problem. Photo s show my 2005 mazda 3 2 3l but this generally applies to all models.

If the circuit has an issue replacing the sensor will not solve your problem. Obdii indicated maf flow sensor failure so i borrowed the maf sensor from my 2 5l to keep the 2 0l going for the weekend. Next unplug the electrical connector from your mazda mass air flow sensor. Next open the hood of your mazda.