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Hitachi MAF0138 Mass Air Flow Sensor
| Brand | Hitachi MAF0138 |
|---|---|
| Manufacturer | Hitachi |
| Fits | Honda · 4 vehicles |
Accurate air measurement. Precision elements deliver reliable airflow readings for consistent engine performance.
OE-approved quality. Built with protected circuitry and durable components for dependable operation.
100% air flow tested. Each sensor is calibrated for its application to help meet strict emission standards.
Cross-references Standard Ignition MAS0488 and 37980RPYG01 for the same application. See all 2.
Hitachi MAF0138 Mass Air Flow Sensor
The Hitachi MAF0138 mass air flow sensor measures incoming air volume and air characteristics so the engine control system can calculate fuel delivery accurately. Built with precision sensing elements and protected circuitry, it is engineered for stable readings and dependable operation on select Honda applications.
Compatible With 2021 Honda Civic and 2021 Honda Clarity, this OE-style sensor is also listed for 2018-2019 Honda Civic, making it a direct-fit option for common air metering service needs. The Hitachi MAF0138 is calibrated for each application and 100% air flow tested for consistent performance.
Key Features
- Measures air entering the engine for accurate fuel management
- Precision sensing elements for consistent signal output
- Application-specific calibration for listed Honda vehicles
- Protected circuitry for added durability in daily driving conditions
- OE manufacturer approval focus for factory-style fit and function
Detailed Description
Hitachi designs the MAF0138 to support accurate air metering on 2021 Honda Civic, 2021 Honda Clarity, and 2018-2019 Honda Civic applications. By tracking the amount and characteristics of intake air, the sensor helps the engine control module maintain proper air-fuel balance, which is critical for drivability and emissions control. This part cross-references Standard Ignition MAS0488 for the same application.
Common Issues This Part May Address
- Rough idle caused by inaccurate airflow readings
- Hesitation or sluggish throttle response
- Check engine light related to mass air flow sensor faults
- Fuel trim problems from incorrect intake air measurement
- Emissions test failures tied to air metering errors
Installation Notes and Tips
Install the Hitachi MAF0138 on the correct Honda Civic or Honda Clarity application listed above and verify the intake tract is clean before replacement. Inspect the air filter housing, ducting, and electrical connector for contamination or damage, since debris or poor connections can affect sensor readings. After installation, clear diagnostic trouble codes and confirm idle quality and throttle response during a road test.
Quality Assurance
Hitachi uses precision components, application calibration, and air-flow testing to support accurate operation and durable service life. The brand’s OE-focused manufacturing approach helps ensure the MAF0138 meets the requirements of the listed Honda applications.
| Year | Make | Model | Submodel | Body Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Honda | Civic | Sport | Hatchback | — | 2.0L | L4 | N/A | — |
| 2021 | Honda | Clarity | Fuel Cell | — | — | -L | -- | N/A | — |
| 2019 | Honda | Civic | Type R | Hatchback | Manual | 2.0L | L4 | N/A | Availability: Announced |
| 2018 | Honda | Civic | Type R | — | — | 2.0L | L4 | N/A | Availability: Announced |
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