Page 20 - WM E-Learning Handbook

Slide Topic Content Notes
Pressure Regulator
 Both high and low pressure in
High-Pressure Gauge one device

 Reduces high pressure to
engine operating pressure

 Freeze-up causes driveability
issues

 Most use engine coolant to
heat

 Displays pressure in the high-
pressure fuel system

High-Pressure Transducer  Communicates pressure to
fuel control module and fuel
gauge

Understanding CNG Fuel Gauges  Readings change with
temperature changes, but
fuel quantity is the same

Technician Safety and Awareness Training for NGVs © 2018 NGVi All Rights Reserved Page 18