The amount of electricity generated is proportional to the rate of air flow. It’s important to keep the amount of air flowing consistent in order to maintain optimum efficiency. The greater amount of air that goes over it, the more electrical power is needed to keep it hot. When you press the accelerator pedal, the throttle opens, allowing more air to flow over the hot wire. When the engine is idling, a tiny amount of air circulates around the hot wire, so it takes a minimal electric current to maintain it hotm. The temperature of the surrounding area is measured by a temperature sensor that is linked to the hot wire. A small electrically heated wire (hot wire) is used in a hot-wire mass air flow sensor. How does a hot-wire air flow sensor work?Ī temperature sensor positioned near the hot wire monitors the air’s temperature. How often does a mass air flow sensor need to be replaced?.Can a mass air flow sensor mess up your transmission?.What happens if you drive with a bad mass air flow sensor?.Can you drive with a bad mass air flow sensor?.How much does it cost to replace a mass air flow sensor?.
Step 3: Dry and reinstall the mass air flow sensor.How do you clean a dirty mass air flow sensor?.How does a hot-wire air flow sensor work?.
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