Mass Air Flow Meter Sensor MAF For Lexus ES GS IS RX Scion Toyota 22204-31020

Mass Air Flow Meter Sensor MAF for Lexus, for Scion, and for Toyota

This mass air flow meter sensor MAF, referencing part number 22204-31020, measures the volume and density of air entering the engine for Lexus, for Scion, and for Toyota vehicles.

Overview

This high-precision mass air flow meter sensor MAF transmits real-time air intake data to the vehicle powertrain control module. Accurate data from this mass air flow meter sensor MAF ensures correct fuel delivery and optimal engine efficiency under varying driving conditions. It is intended for professional mechanics and vehicle owners aiming to resolve rough idling or poor gas mileage.

Built For Performance

• Platinum sensing element responds quickly to changes in air volume for precise fuel metering.
• Robust glass-coated thermistor provides stable readings and resists dirt contamination.
• Durable polymer housing protects internal circuitry from engine bay heat and vibrations.
• OEM-standard connection interface provides a reliable electrical connection with minimal resistance.

Fits These Machines

• for Lexus ES
• for Lexus GS
• for Lexus IS
• for Lexus RX
• for Scion models
• for Toyota models

On-The-Job Use

• Replacing a dirty or contaminated air sensor that causes engine hesitation.
• Restoring proper air-to-fuel ratios to improve fuel efficiency and performance.
• Correcting lean or rich diagnostic trouble codes in the engine system.

Specs At A Glance

Good To Know

Q: Can a dirty mass air flow sensor be cleaned instead of replaced? A: Sometimes cleaning can temporarily restore function, but internal sensor degradation usually requires a full replacement for long-term reliability.

Q: What symptoms point directly to a failing MAF sensor? A: Common symptoms include rough idling, engine stalling, slow acceleration, and a check engine light with air-fuel mixture codes.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.