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Home >> Mitsubishi >> 1986 >> Mirage Base >> Repair and Diagnosis >> Engine Performance >> System >> High Altitude Compensation System >> Operation >> Fuel Injected Models

Fuel Injected Models

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When ignition switch is turned to "ON" position, a solenoid valve is energized by the ECU for a specified time. This allows the pressure sensor to detect the ambient barometric pressure. Fuel delivery time is determined by the ECU in response to ambient barometric pressure, so that air/fuel ratios at high altitudes can be maintained to the same degree as those at sea level.