Product prices and availability are accurate as of the date/time indicated and are subject to change. The primary benefits of the MAF sensor are the faster throttle response and better fuel economy as the computer can quickly adjust the air-fuel mixture based on the data provided. By checking the electrical current, the vehicle’s computer can tell how much air is flowing into the engine and adjust fuel injection accordingly. In turn, more current will be sent to the hot wire to maintain the constant temperature. Once you accelerate or increase the speed of the vehicle, more air will flow through, cooling the wire down. It contains a hot wire that is heated through an electric current that wants to keep a constant temperature. The sensor uses an ingenious design to determine how much air is flowing towards the engine. The section of the hose is called a MAF sensor housing that has an additional particle filter. Trace the air hose from the filter and you’ll find the plug sticking out with a wiring harness attached to it. The mass air flow sensor is located between the air filter and the throttle body. There’s no point in buying an alternative spray when the MAF sensor cleaner isn’t particularly expensive. The only alternative that could potentially work is an electronics cleaner, but I wouldn’t take that risk.
Mass airflow cleaner skin#
Even touching the sensor is enough to pass the grease from the skin to the sensor and affect its accuracy. Brake cleaners and degreasers are aggressive chemical solutions and may damage the sensor.
The second problem is the sensitivity of the sensor wire. The computer will think there’s less air flowing, and adjust the fuel injection accordingly, resulting in a lean mixture. In theory, the residue provides an insulation layer to the wire, making it harder to cool. While WD-40 and brake cleaner will get the dirt off the MAF sensor, the problem is that they leave a layer of residue on the hot wire, effectively making it worse. Any price and availability information displayed on at the time of purchase will apply to the purchase of this product. Prices pulled from the Amazon Product Advertising API on:
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