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Porsche
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1993
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911 America, Automatic
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Repair and Diagnosis
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Engine Controls - Specifications
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Fuel System
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Idle Speed & Mixture
Idle Speed & Mixture
IDLE SPEED & CO LEVEL
Application
Idle RPM
CO Level
All Models
840-920
(1)
0.4-1.2 %
(1)
With oxygen sensor connected. Measurement is taken in front of catalytic converter. Hydrocarbon level should be equal to or less than 300 parts per million (ppm).