Where is the Orphus tube on a 2000 379 Peterbilt located?

The Orphus tube on a 2000 Peterbilt 379 is typically located on the driver's side of the engine compartment, near the firewall. It is connected to the air intake system and plays a role in the engine's air and fuel mixture. To access it, you may need to remove some engine covers or components for better visibility. Always refer to the vehicle's service manual for specific details and diagrams.