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Home >> Porsche >> 1990 >> 911 Carrera 4 Cabriolet AWD F6-3600cc 3.6L SOHC >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Tune-up and Engine Performance Checks >> Air/Fuel Mixture >> Specifications

Air/Fuel Mixture: Specifications

CO value with catalyst and oxygen sensor connected measured upstream of catalytic converter.
At idle speed 0.4 - 1.2%

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