Walker Products Mass Air Flow Sensor P/N:245-1020
Walker Products 245-1599 mass air flow sensor for the 2021-2023 Toyota Yaris 3-cylinder 1.6L and other vehicles measures the air entering the engine for the ECU. Its readings help the ECU set the air-fuel mix for fuel efficiency and performance.
A failing sensor can show up as a rough idle, hesitation or poor fuel economy, and a check engine light may come on with it. These signs alone do not prove the sensor is at fault; a vacuum leak is another common cause.
The 2021-2023 Toyota Yaris 3-cylinder 1.6L, the 2019-2026 Toyota Corolla 4-cylinder 2.0L and the 2020-2022 Corolla 4-cylinder 1.8L all take this sensor, and so do many other Toyota and Lexus models. It also works as a Toyota Tacoma mass air flow sensor for 2016-2023 models with the V6 3.5L. A 2021-2023 Toyota Yaris 3-cylinder 1.6L takes one sensor. Open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
One mass air flow sensor, sensor only. The housing and mounting hardware are not included, and the old fasteners may not be reusable, so plan on new ones.
Interchange: 2220475040
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Is this the Toyota Yaris mass air flow sensor for 2021-2023 models with the 3-cylinder 1.6L?
Yes. Walker Products 245-1599 fits the 2021-2023 Toyota Yaris 3-cylinder 1.6L, and that engine takes one sensor.
Is this the maf sensor for a 2019-2026 Toyota Corolla 4-cylinder 2.0L?
Yes. Walker Products 245-1599 fits the 2019-2026 Toyota Corolla 4-cylinder 2.0L and the 2020-2022 Corolla 4-cylinder 1.8L.
Does the Walker Products mass air flow sensor come with the housing?
No. This listing is the sensor only. The housing and mounting hardware are not included.
How many terminals does this mass air flow sensor have, and what shape is the connector?
This sensor has four spade terminals in one male connector with an oblong shape. It also has two mounting holes.
Can oil from my hands damage a new mass air flow sensor?
Yes. Skin oils and even air pollution can damage the sensor, so handle it with care during installation.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.