5.3.1.1 The chassis engine shall start and run for 5 minutes without stalling at 0°F (-18°C)without the use of
external power or starting fluids and without the aid of engine block preheating devices (except glow plugs or
combustion air pre-heater),
5.3.1.2 Compliance shall be validated by testing a substantially similar ambulance in accordance with AMD 022,
Cold Engine Start Test.