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Idle Speed & Mixture

IDLE SPEED & CO LEVEL

Application (1) Idle RPM (2) CO Level
911 Carrera & 911 Carrera 4
Automatic Transmission 710-790 0.4-1.2 %
Manual Transmission 760-840 0.4-1.2 %
(1) Idle RPM is controlled by ECM and is not adjustable.
(2) 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).
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