Free T Series Practice Test Questions | Automotive Service Excellence: Medium-Heavy Truck series

Question # 27

Diesel regeneration fails; DOC inlet temp normal but DPF differential pressure remains high. What is MOST likely?

Options:

Plugged DPF

Faulty NOx sensor

DEF injector clogged

Stuck turbo actuator

Viewing question 27 out of 72 questions

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T Series Overview

Name	Automotive Service Excellence: Medium-Heavy Truck series
Code	T Series
Vendor	Skilled Trades
Certification	ASE

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