The Mass Air Flow Sensor is one of the main electronic components of the fuel delivery system. Its job is, in real time to measure, the mass of air entering the engine. Home. Basics O2 sensor Mass Air Flow Sensor (MAF) Open Loop-Closed Loop Throttle Position Sensor Adjustment IAC Adjustment Cam Sensor Crank Sensor EGR Wastegate Solenoid Fuel Injectors Fuel Pumps Factory Fuel Pump Relay Fuel Pressure Regulator Detonation Detonation Sensor False Detonation Boost Control Here are some of the codes you might see related to your MAF: P0100 Mass or Volume Air Flow Circuit Malfunction P0101 Mass or Volume Air Flow Circuit Range/Performance Problem P0102 Mass or Volume.. Finally, the P0104 stands for a mass air flow sensor circuit malfunction. Final Thoughts about MAF Sensor Issues When you take your vehicle into an auto repair shop and they find the codes mentioned above, they often try to talk you into cleaning the sensor. The mass air flow sensor is prone to failure due to age or other factors affecting its performance. Common pollutants like dirt and dust are the major reason behind a failing air flow sensor. The mass airflow sensor (MAF) measures the amount of air entering the engine. The OBD-II code P0101 is set when the signal from the mass air flow sensor is out of expected range, or in other words, the MAF sensor doesn't work properly. El sensor MAF, por sus siglas del inglés “Mass Air Flow”, y también conocido como sensor de flujo de aire, se ubica en todos los vehículos antes del colector de admisión del motor y después del filtro de aire. Latest News. Mass Air Flow (MAF) Sensors. It is important for a Technician to identify the type of MAF sensor fitted to the vehicle and carry out the appropriate test procedure if it is suspected of being faulty. P1170 diagnostic trouble code details... P1170 - Mazda; Type: Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
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A mass (air) flow sensor (MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine. The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Put a stop to engine hiccups and stabilize your engine’s air-fuel mixture with a new mass air flow sensor (MAF) from AutoZone. We carry great brands like ACDelco, Bosch, Duralast, Hitachi, and more. In the above table, I have just used reference points to note the differences in the sensors at a set frequency. It is possible to use ANY mass airflow sensor on any engine, however the PCM needs programmed with the correct MAF calibration data. Looking through the MAF The output voltage is proportional to the air flow through the device as can be seen in the curve below. Testing the Ford mass air flow (MAF) sensor on all of the Ford, Lincoln and Mercury cars and trucks is a very simple test that can be done without a scan tool. TE manufactures reliable and accurate mass air flow (MAF) sensors for a variety of automotive, medical and industrial gas flow applications. Cold wire sensors function the same way, except that they also include a cold wire as a reference. GM engines use cold wire MAF sensors often. A Mass Air Flow sensor (MAF) is one of the key components of an electronic fuel injection system in your car. It is installed between the air filter and the intake manifold of the engine. Mass Air Flow Sensor So, Almost all newer vehicles on the road today use a (MAF) mass air flow sensor. The (MAF) mass air flow sensor measures the volume and density of the air entering the engine.