Which Strategy Will Most Likely Be Used to Passively Regenerate

question 45

Multiple Choice

Which strategy will most likely be used to passively regenerate a catalyzed DPF?

• A)A stationary vehicle with raised idle and a partially closed intake throttle.
• B)Using OEM software or a scanner to perform regeneration (light-duty vehicles only).
• C)Driving at speeds above 45 mph (72 kph) for a minimum of 20 minutes.
• D)Logging a fault code for a DPF with 80% or more soot loading.

---

Definitions:

Tractor

A heavy-duty highway truck designed for towing trailers. Also any of a number of different types of farm and heavy equipment utility vehicles.

Tandem Axle

A pair of axles situated close together in a vehicle to support more weight than a single axle and improve stability.

Wheel Base

The distance between the centers of the front and rear wheels of a vehicle, influencing stability, handling, and ride comfort.

Linehaul

Truck transports that operate terminal to terminal. Refers to a truck that operates mainly on major highways.