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Home >> Chevrolet >> 1983 >> Chevette Base, 2D Hatchback, 1.8 D, Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> CCC Theory/Operation >> Operation >> Data Sensors >> Notes

Data Sensors: Notes

Each sensor furnishes electronic impulses to ECM. The ECM computes spark timing and fuel mixture ratio necessary for proper engine operation. Minimum Function systems use only coolant temperature, oxygen and throttle position sensors. Full Function and EFI systems can use any or all of the sensors. Operation of each sensor is as follows: