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Home >> Mazda >> 1987 >> B2600 Base, 2D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> 2.6L Feedback Carburetor System >> Operation >> Loop Control >> Closed Loop Control (Feedback Control)
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Closed Loop Control (Feedback Control)

After engine warm-up, air/fuel ratio is determined by the oxygen sensor signal to the FCU. The FCU controls air/fuel ratio through the Jet Mixture Solenoid Valve (JMSV).