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Home >> Chevrolet >> 1988 >> Spectrum Express >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> CCC Components Removal & Installation >> Removal & Installation >> Throttle Position Sensor (TPS) >> Output Check

Output Check

Connect digital voltmeter between center "B" terminal and outside terminal "A" of TPS connector. Read TPS voltage with ignition on, engine off. If voltage is more than 1.25 volts, check minimum idle speed before replacing TPS.