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Module 2: High-Pressure NGV Components
High-Pressure ▪ High-pressure gauge displays pressure in the
Gauge and High- high-pressure fuel system
Pressure Transducer
▪ Transducer communicates
pressure to fuel control
module and fuel gauge
Fuel Shut-Off ▪ Prevents gas from flowing to
Solenoid Valve the engine when the key is
on but engine is not running
Pressure Regulator ▪ Both high and low pressure are in one device
▪ Reduces high pressure to engine operating
pressure
▪ Most use engine coolant to heat
▪ Freeze-up causes driveability issues
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