What condition is indicated by transient high exhaust temperatures or a visible glow from the DPF canister at night?
A) Low DEF level.
B) Inlet air restrictions.
C) High altitude operation.
D) Normal operating condition in a vehicle equipped with a DPF during regeneration.

Question

Quizplus · Accepted Answer

Transient high exhaust temperatures or a visible glow from the DPF canister at night indicates a normal operating condition in a vehicle equipped with a DPF during regeneration. During regeneration, the temperature in the DPF increases to burn off accumulated particulate matter. This process can cause the DPF to glow or create high exhaust temperatures. It is not indicative of low DEF level, inlet air restrictions, or high altitude operation.

What Condition Is Indicated by Transient High Exhaust Temperatures or a Visible