Training Bosch direct petrol injection on the example of the Volkswagen group

scope of the training

Practical part

diagnostics using KTS and FSA devices on engines and training cars

Theoretical part

direct gasoline injection systems - MED on the example of the MED 9 and MED 7 systems used in VW group cars
FSI and classic engines, combustion of homogeneous and stratified lean mixtures - benefits, problems
low fuel pressure circuit: structure and principle of operation of the system with variable, electronically regulated flow; integrator, adaptations, basic settings
high fuel pressure circuit: structure and principle of operation of the system; construction, principle of operation of high-pressure pumps - variants, high pressure regulation, typical faults, emergency modes, system behavior;
high-pressure injectors – control concept, diagnostics, assembly/disassembly
intake system: air guides - structure, purpose of use, control concept, emergency mode
engine operating modes - types of mixtures, methods of their implementation, system behavior, emergency modes, diagnostics
exhaust system - exhaust gas treatment: exhaust system structure, variants
broadband probe in the process of regulating the mixture composition with variable λ, structure, principle of operation, diagnostics
nitrogen oxides (NOx) collection and reduction system: nitrogen oxides emission and reduction: structure and principle of operation of the NOx accumulation and reduction system, NOx storage catalyst, NOx sensor - structure, principle of operation, tasks, diagnostics, the problem of sulphation and desulfurization of NOx catalysts (also in terms of quality and fuel consumption)
exhaust gas recirculation in FSI engines
variable valve timing (also as an element of the fight against the so-called turbo lag)
electronically controlled cooling system: system with an electronically controlled thermostat (structure, principle of operation, purpose of use, emergency mode, diagnostics), electronically controlled fans (purpose of use, control, diagnostics)
throttling of FSI engines in the context of increasing braking force