![]() ![]() After checking carefully, install the new mass air flow sensor into your vehicle and then reverse the removal process to connect the wiring and hose clamps. All connections and holes must match on both parts. Step 4: Replacing with a new mass air flow sensor: Compare a new sensor with the old one to make sure you have the right sensor for your car. Next, you’ll gently remove the electrical connector and hose clips that hold the mass air flow sensor in place on the air intake of your vehicle. Step 3: Grab the wire harness connecting the MAF sensor, and the engine compartment power unit and pull it out from the sensor. It is commonly found in the air ducts between the intake manifold assembly and the air filter housing on your engine. Step 2 : The negative cable (red) should be disconnected to avoid danger during implementation. Step 1: Open the hood and turn off your car’s ignition. If the mass air flow sensor is severely damaged, the driver should perform the replacement steps in the sequence below: Brief Steps To Replace A Mass Air Flow Sensor The best solution if you don’t want to replace a MAF sensor, you should regularly check and maintain the air filter and especially the MAF sensor at reputable garages to soon detect the faulty and have timely solutions. ![]() In addition, this part is affected by the high temperature of the engine for a long time without being replaced, which also easily causes the wrong analysis of the intake airflow.īesides, the air filter is not maintained and replaced periodically, causing many impurities to enter, which will directly affect the quality of air intake into the engine. In particular, the sensor is stuck with too much dirt or grease which is the main reason that causes the ECU to misinterpret the input signals. What does a mass airflow sensor do in your car? (Photo: ) What Are The Causes Behind A Faulty Mass Air Flow Sensor?įailure of the mass air flow sensor can be due to many different causes. Understand the importance of this sensor, so just small damage from the mass air flow sensor will also affect the performance of the engine, consume a lot of fuel, and greatly affect the driving journey. The sensor’s ECU control unit will analyze and then control the intake airflow to be just enough, helping the engine operate at the highest efficiency. It’s crucial to control the air mass to calculate how much fuel you should add to reach the desired air-fuel ratio (AFR). The MAF sensor has the main task of measuring how much air is entering the engine intake. This part includes the ECU controller, resistor, and heat wire. What Does A Mass Airflow Sensor Do?Ī MAF (Mass Air Flow) sensor is located on the intake manifold of the engine. ![]() What to do after replacing mass air flow sensor ? In this article, we’ll give you all the before-and-after steps you need to take note of to replace a MAF sensor. Normally, all drivers think that replacement is just enough for your car to work properly, but most of us don’t know that there are some important notes after this replacement process. If your car is running poorly and sometimes black smoke comes out of the exhaust, you could have a bad airflow sensor on your engine and it’s time for you to replace it. ![]()
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