What is the idle psi for the HMMWV?

The idle psi for the High Mobility Multipurpose Wheeled Vehicle (HMMWV) is typically around 10 psi. This value is crucial for ensuring the vehicle's systems function optimally when the engine is running at idle. Proper idle psi helps maintain adequate lubrication and cooling within the engine, contributing to overall vehicle reliability and performance.

Understanding the correct pressure at idle is essential for preventive maintenance; it can help identify issues early and avoid mechanical failures. An idle psi that is too low may indicate potential problems with the oil pump or oil viscosity, while too high could signify pressure buildup due to blockages. This baseline allows operators and mechanics to monitor vehicle health effectively.