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The 2.7 litre V6 biturbo . Turbocharged engines are already something The goal of AUDI’s engineers was to realise a of a tradition at AUDI. The task now facing high “basic torque level“ and a torque AUDI’s engineers was to develop a worthy characteristic that rises in direct proportion to successor to the 5 cylinder turbocharged engine speed to its peak. engine. The term “basic torque level“ One of the key development goals for the describes the torque which is turbocharged engine was to achieve a good immediately available when the level of dynamic response, particularly at the throttle is opened e.g. at part bottom end of the rev band. throttle or in overrun . SSP 198/77 .. a further milestone in engine development by Audi 2 Contents Page Engine 4 Technical data, crankshaft, cylinder head, camshaft timing, cooling circuit, engine lubrication, overview of components, air ducting, charging, exhaust system, pneumatically controlled systems, charge pressure control, air divert control in overrun, ACF system, crankcase breather Motronic ME 7.1 31 Subfunctions, system overview Subsystems of the Motronic 33 Torque oriented engine management, torque oriented functional structure, Electronic throttle, exhaust gas temperature control Sensors .49 Additional sensors of the Motronic Auxiliary signals/interfaces . 57 Functional diagram . 62 Self diagnosis 64 Vehicle diagnosis, test and information system VAS 5051, test box V.A.G 1598/31 Transmission .66 Self adjusting clutch, gearbox This Self study Programme provides you with information New regarding design and function. The Self study Programme is not a Workshop Manual Important /Note Please refer to the Service Literature for all the relevant maintenance and repair instructions. 3 Engine The 2.7 litre V6 biturbo This engine will also be used in the Audi S4 A tuning protective device prevents and A