Walker Products Mass Air Flow Sensor P/N:245-1231
Walker Products 245-1660 mass air flow sensor for the 2021-2026 Hyundai Elantra 4-cylinder 2.0L, the 2024 Elantra 4-cylinder 1.6L and other vehicles measures the air entering the engine so the ECU can set the air-fuel mix. This Walker Products mass air flow sensor is a new sensor assembly.
Rough idle, hesitation or a check engine light can come from a sensor that misreads incoming air. A vacuum leak after the sensor, a clogged air filter or a fouled spark plug can be behind those signs too, so find the cause before you buy a replacement.
It also fits as a mass air flow sensor for the 2020-2026 Hyundai Sonata 4-cylinder 2.0L and the 2021-2026 Hyundai Kona 4-cylinder 2.0L. Each takes one sensor, and this listing is one sensor.
Fit and size
Build and materials
Product information is for general reference and may contain errors. See our Disclaimer.
Does the Walker Products 245-1660 work as an air flow sensor for the 2021-2026 Hyundai Elantra 4-cylinder 2.0L?
Yes. The Walker Products 245-1660 fits the 2021-2026 Hyundai Elantra 4-cylinder 2.0L and the 2024 Elantra 4-cylinder 1.6L, with one sensor per car.
How many pins does the connector on this mass air flow sensor have?
The Walker Products 245-1660 has one oblong female connector with 4 pins.
Does this mass air flow sensor need programming before it goes on the car?
Walker programs and tests each sensor for fit, form and function before it is sold, so the sensor arrives already programmed.
Could a faulty mass air flow sensor cause rough idle or poor fuel economy?
It can, since the ECU relies on the air flow reading to set the air-fuel mix. A shop can test the sensor's readings with a scan tool.
Is it a problem to touch the Walker Products 245-1660 sensor with bare hands?
Handle it with care, because oils from your hands can damage a mass air flow sensor. The Walker Products 245-1660 is designed for straightforward 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.