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Home >> Subaru >> 1988 >> GL 2D Hatchback, 1.8 5 >> Repair and Diagnosis >> Engine Performance >> System >> SPFI CEC System >> Operation >> Air/Fuel Ratio Learning Control System

Air/Fuel Ratio Learning Control System

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By learning feedback control signals sent by oxygen sensor, the SPFI system is able to automatically make corrections. This system stabilizes driveability by maintaining original performance values.

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