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Home >> Ford >> 1980 >> Pinto Runabout, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Feedback Carburetor Electronic Engine Control System >> Description >> Electronically Controlled Feedback Carburetion >> Open Loop Mode

Open Loop Mode

In this mode, the air/fuel mixture is set to a predetermined, non varying setting by the ECU, and is not influenced by the EGO sensor signals. This occurs during cold operating temperatures or when throttle is closed. The fuel mixture is set by the ECU.