What a Throttle Body Does
The throttle body:
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Controls airflow into the intake manifold
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Works with the throttle position sensor (TPS)
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Manages idle and acceleration response
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Communicates with the ECU
When it fails, symptoms may include:
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Rough idle
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Delayed throttle response
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Stalling
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Check engine light
Auto Throttle Body Assembly 4G64 4G63 MR579011 MD338428 SMR579011
Model Number: 4G64 4G63
Part Number.: SMW250229,MD338428,SMW250502,25382726,MR579011,AC54-336,MD614974,994789,MD338429
Suitable for: Compatible With Mitsubishi Galant 2.0L 2WD
Material: Metal
Colour: Silver
Package Contents:
1 Pc Throttle Body Assembly
Key Features
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Direct replacement assembly
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Compatible with OEM connectors
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Designed for factory-style mounting
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Replaces part numbers:
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MR579011
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MD338428
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SMR579011
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Restores factory throttle performance
Translation: plug it in, bolt it up, drive normally again.
Vehicle Compatibility
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Mitsubishi Galant 2.0L 2WD
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Engine Codes: 4G63 / 4G64
⚠️ Always verify engine code and part number before purchase.
Why Replace Instead of Clean?
Sometimes cleaning works. But if you’re dealing with:
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Worn throttle shaft
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Faulty internal electronics
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Persistent idle issues
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Repeated codes
A full replacement saves time and guesswork.
Installation Notes
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Disconnect battery before install
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Use new gasket if required
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Relearn idle after installation
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Clear stored ECU codes
Because throttle calibration matters.
Final Verdict
The Throttle Body Assembly for Mitsubishi Galant 2.0L (4G63/4G64) is a direct-fit solution to restore smooth throttle response and proper idle control. Reliable replacement, OEM-style compatibility, and straightforward installation.
Because smooth throttle input should feel smooth.
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