NGVi is now more than natural gas. Welcome to the new Alternative Fuel Vehicle Institute – AFVi!

Level 2 Propane Vehicle Fuel System Inspection, Maintenance and Diagnostics Training

In this course, participants will learn about the unique components, operational theory, maintenance practices, and fuel system diagnostics for light- and medium-duty propane-powered vehicles. This course also includes troubleshooting procedures for GM and Ford propane fuel systems.


Level 1: Propane Vehicle Essentials and Safety Practices

Who Should Attend?

  • Technicians who will perform diagnostics and repair on propane vehicles 
  • Fleet or dealer service managers and supervisors

Course Objectives

  • Describe inspection, maintenance, diagnostics, and repair practices for components of a propane fuel system
  • Identify and describe the components, function and operation of the GM and Ford propane engines, including fuel, air, ignition, and emissions control
  • Recognize engine component maintenance intervals and procedures unique to propane engines
  • Apply diagnostic procedures to address hard starting and/or poor drivability issues

Course Outline

Module 1 Introduction
Module 2 Properties and Safe Handling of Propane Review
Module 3 Propane Fuel System Component Inspection, Maintenance and Diagnostics
Module 4 Propane Engine Fuel System Component Inspection, Maintenance and Diagnostics
Module 5 Propane Engine Component Identification and Function
Module 6 GM and Ford Propane Engines
Module 7 General Maintenance and Troubleshooting
Module 8 Vehicle Labs
Module 9 Post Test


Instructional staff members of colleges, universities, private training organizations, fleets, dealers or manufacturers are not candidates for this course, but have numerous options for bringing NGVi’s training classes to their campuses or facilities. For more information, contact us at 800-510-6484.