GMs Expanding Gasoline Direct Injection Engine Portfolio
Green Car Congress
APRIL 13, 2009
Saturn Sky Red Line. Saturn Outlook. Saturn Sky Red Line. Saturn Outlook. Both the intake and exhaust cams have hydraulically operated vane-type phasers that are managed by a solenoid and directed by the engine control module (ECM). Cam phasing also provides another effective tool for controlling exhaust emissions.
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