Automobile Engineering · Fuel Injection System
What type of energy does the HEUI (Hydraulically Actuated Electronically Controlled Unit Injector) fuel system utilize to pressurize fuel inside the injectors?
- 1Pneumatic energy from compressed air
- 2Purely mechanical energy from the camshaft lobes
- 3Hydraulic energy from high-pressure engine oil✓
- 4Thermal energy from the exhaust manifold
Correct answer
Hydraulic energy from high-pressure engine oil
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