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Audi A4since 1994 releaseManual of the car |
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Audi A4 + Running gear + Regular servicing + Engines + Turbo-supercharging + System of an exhaust + Cooling system + Fuel tank and fuel pump + Air filter and channels of absorption - System of injection + System of injection Motronic - System of injection of MPI and MPFI Additional functions Knots of system of injection Functioning Adjustment with the help a lambda probe Violations in work and self-diagnostics Self-help Visual control Check of knots Dismantle of separate details Cable of a butterfly valve Inlet collector Idling adjustment Check of exhaust gases The help at malfunctions + Coupling + Transmission and main transfer + Suspension bracket of wheels and steering + Brakes + Wheels and tires + Electrotechnical equipment + System of ignition + Lighting + Alarm equipment + Tools and devices + Heating and ventilation + Body details + Salon Search of malfunctions Technical characteristics 
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Adjustment with the help a lambda probe The catalyst can work effectively only in that case when the relative amount of air l (lambda) as much as possible comes nearer to 1. That to receive it, the system of ignition/injection MPI/MPFI is supplied so-called a lambda adjustment. At the same time the lambda probe measures in exhaust gas amount of oxygen – comparative size for definition of composition of fuel-air mix. If the measured size deviates from ideal, then the control unit carries out additional adjustment. Adjustment functions in the range from l=0,8 to l=1,2. |
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