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Home >> Isuzu >> 1989 >> I-Mark LS >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation - CARBURETED >> Computerized Engine Control >> Electronic Control Module >> Closed Loop Mode

Closed Loop Mode

A calculated duty cycle is generated based on oxygen sensor and other sensor inputs to ECM.

Fig 1: I-Mark Emissions Control System (Auto. Trans.)
G122069Courtesy of ISUZU MOTOR CO.
Fig 2: I-Mark Emission Control System (Man. Trans.)
G122070Courtesy of ISUZU MOTOR CO.
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