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Home >> Mercedes Benz >> 1973 >> 280 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> MERCEDES-BENZ 280 & 280C Engine Modification >> Testing >> Checking Throttle Valve Lift Switch-Over Valve
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Checking Throttle Valve Lift Switch-Over Valve

If voltage is available on plug of switch-over valve above 2000 RPM, reconnect plug. Valve should noticeably switch.

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