Walker Products 245-2222 mass air flow sensor for the 2004-2009 Audi S4 V8 4.2L and other vehicles measures the air entering the engine. The ECU uses that reading to adjust the air-fuel mix for engine performance and fuel efficiency.
- Programmed and tested for fit, form and function before it is sold
- Custom-tuned flow characteristics across the full flow spectrum
- Calibrations go through 100% production testing and on-vehicle verification
- Custom engineered circuit boards and programming
- Five-terminal female connector
Quick facts
- Part: Walker Products 245-2222 mass air flow sensor
- Fits: 2004-2009 Audi S4 V8 4.2L and other vehicles
- Condition: New
A worn mass air flow sensor can show up as a rough idle, hesitation or poor fuel economy. Before you replace the sensor, rule out a loose or cracked intake tube and a damaged connector, since an air leak or a poor connection can upset the engine's air readings as well.
Fits
The sensor is a direct-fit replacement for the 2004-2009 Audi S4 V8 4.2L, the 2002-2003 Audi S6 V8 4.2L and the 2001-2003 Audi S8 V8 4.2L. This listing is one sensor, and the 2004-2009 Audi S4 V8 4.2L takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Terminal quantity: 5
- Connector gender: Female
Build and materials
- Type: mass air flow sensor, sensor only
- Mounting hardware: replacement Torx screws included
- Condition: New
- Country of origin: China
In the box
One mass air flow sensor with replacement Torx screws and the matching tools. The housing is not included.
Installation notes
- Oils from your hands can damage the sensor, so handle it carefully.
- The sensor is designed for straightforward installation, which keeps vehicle downtime short.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is the Walker Products 245-2222 a match for the 2004-2009 Audi S4 V8 4.2L?
Yes. Walker Products 245-2222 fits the 2004-2009 Audi S4 V8 4.2L and other vehicles, and that Audi takes one sensor.
What comes with this Walker Products mass air flow sensor?
The listing is one sensor with replacement Torx screws and the matching tools. The housing is not included.
Is the connector on this mass air flow sensor male or female?
The connector is female and has 5 terminals.
Can I handle this sensor with bare hands during installation?
No, it is best to avoid it, because oils from your hands can damage the sensor. It is designed for straightforward installation.
Does the Walker Products 245-2222 come tested and programmed?
Yes. Walker Products 245-2222 is programmed and tested for fit, form and function before it is offered for sale, and its calibrations go through 100% production testing.
