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Question # 40

A diesel engine has poor acceleration and low power. Boost pressure is within spec, but fuel rail pressure is consistently 20% below commanded. What is the fault?

Options:

A.

High-pressure fuel pump wear

B.

Failed boost sensor

C.

Leaking charge air cooler

D.

Faulty EGR valve

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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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