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Home >> Mercury >> 1996 >> Tracer Trio >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 1.9L >> Computerized Engine Controls >> Input Devices >> Octane Adjust Shorting Bar

Octane Adjust Shorting Bar

The octane adjust shorting bar is used to retard spark. A diagnostic trouble code will set if Octane Adjust Shorting Bar is removed or, if an open circuit is present.