Mazda 3 Mass Air Flow Sensor Problems

These are the bad maf sensor symptoms that indicate that the sensor is completely out of order.

Mazda 3 mass air flow sensor problems.

Locate the mass air flow sensor on your mazda 5 the sensor is located near the engine air filter housing. We will cover exactly what that means and potential fixes for it below. 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. A maf sensor that behaves like this will require replacement.

Engine idles roughly or halts. Before replacing the sensor however the rest of the circuit should be checked for proper operation. Remove the screws that hold the mass air flow sensor in place. 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.

Unplug the wire harness. A faulty maf sensor can cause your vehicle to run too rich or run too lean. 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. Next unplug the electrical connector from your mazda mass air flow sensor.

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 is used to measure intake air volume for use in calculations to determine fuel and timing. Let the engine cool down. Rough idle or stalls.

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. 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.

As a result the engine either halts or idles roughly. You ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires. 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.