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Home >> Merkur >> 1985 >> XR4Ti Standard >> Repair and Diagnosis >> Engine Performance >> System >> EEC IV System >> Operation >> Outputs >> Throttle Air By-Pass Valve
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Throttle Air By-Pass Valve

The throttle air by-pass valve is a solenoid-operated valve controlled by ECA. It operates a variable-area metering valve. Responding to commands from ECA, valve controls both cold and warm idle air flow. Valve causes air to by-pass throttle plate, thereby adjusting idle speed.