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
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
- System of ignition
What provides ignition
When there is an ignition of fuel-air mix?
Different systems of ignition
So there is an ignition spark
Executive body
System brain
The signals coming to the control unit
Adjustment of a detonation
Be careful in the address with ignition
Works on system of ignition
Search of malfunctions in ignition
Ignition distributor
Knot of high voltage
Replacement of spark plugs
Right choice of spark plugs
Check of the moment of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics
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Different systems of ignition
- In the 74 kW engine the system of ignition Motronic with the distributor is installed. In this engine installation of ignition since adaptation of the moment of ignition to each situation in operation of the engine – it becomes in exclusively electronic way is carried out.
- In the 92 kW engine the system of ignition Motronic without distributor is installed. In this system of ignition about one coil of ignition is the share of two cylinders. It gives a spark while it is necessary for one of two cylinders. It does excessive the ignition distributor. Side effect of such division: each cylinder receives for one running cycle on an exhaust step one more (unnecessary, but harmless) a spark.
- The 110 kW four-cylinder engine is also equipped with system of ignition Motronic without distributor. Difference from the 92 kW engine: here each cylinder has the coil of ignition with own management. There is no unnecessary spark, and each cylinder can separately be operated.
- The system of ignition of MPI and MPFI of the six-cylinder engine is a component of management of operation of the engine. Here, as well as in the 92 kW engine, about one coil of ignition is the share of each two cylinders.
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