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Home >> Porsche >> 1997 >> Boxster Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DME 5.2.2 Diagnosis >> Definitions >> Driving cycle

Driving cycle

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A "driving cycle" consists of starting the engine, running the engine or driving until oxygen sensing becomes active and stopping the engine. Since stopping the engine cannot be predetermined, the diagnostic routines are started as soon as the oxygen sensing is activated.