One of the first signs that something is wrong with your mass air flow sensor is if the check engine light comes on. Here are some common symptoms of a failing mass air flow sensor in a Nissan Altima: 1. When it goes bad, all sorts of engine performance problems can arise. Since this important component measures the amount of air flowing into the engine so that the correct amount of fuel can be injected. It may be a sign that the mass air flow sensor is malfunctioning if you are unable to start up, idle rough, or stall your Nissan Altima. And that’s it, resetting is done! Nissan Altima Mass Air Flow Sensor Symptoms: 5 Major Problems Use a screwdriver or socket wrench to remove the screws holding the sensor in place.Įventually, reattach the screws or bolts and plug in the electrical connector after you are done. Therefore to reset it find the MAF sensor on your Nissan Altima.Īfterward, pull out the old sensor and replace it with the new one. The resetting process is quite straightforward and hassle-free. Yet, it is relatively easy to reset a MAF sensor with some tools at home. This process can help fix issues with the MAF sensor and improve engine performance.Ī damaged or dirty MAF sensor can cause your engine to run lean or rich over time. Drive the vehicle for about 10-15 minutes to allow the system to relearn and recalibrate. Turn off the engine, reconnect the MAF sensor, and start the engine again. Start the engine and let it run for a few minutes. To reset the mass air flow sensor on a Nissan Altima, locate the MAF sensor and unplug it. However, the MAF ( Mass Air Flow Sensor) sensor measures how much air flows into the engine and tells the engine computer how much fuel to inject. Having trouble starting or idling your Nissan Altima may mean that the mass air flow (MAF) sensor needs to be reset.
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