• Engine mechanical (assembly, disassembly, inspection)
• Engine control system (ECU, sensors, actuators)
• Fuel system (injection, fuel pump, injectors)
• Ignition system (coils, spark plugs)
• Lubrication system (oil pump, oil filter, oil passages)
• Cooling system (radiator, water pump, thermostat, hoses)
• Exhaust system (manifold, catalytic converter, mufflers)
• Turbocharger system (if applicable)