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Monthly Archives: May 2011

Porsche Computerized Engine Management

Porsche Computerized Engine Management

Porsche street cars first received computerized engine management for the 1980 model year. By today’s standards, the early version was elementary in comparison. This addition was obvious by the installation of an oxygen sensor to monitor oxygen content in the exhaust stream. This was Porsche’s approach to improve engine performance and tailpipe emissions in most operating conditions. In 1984 Porsche installed a full computerized engine management system named Digital Motor Electronics (DME) in the 911 Carrera. DME controlled not only the fuel injection but also the ignition system making it a complete package with one control unit for the entire engine management system. A basic description of the computerized engine management system is a control unit (computer), also known by some as the brain, which receives data from sensors on the engine that are monitoring its operation. These sensors monitor engine temperature, RPM or speed, throttle position, intake ... read more

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