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Question # 61

A gasoline engine shows high HC and CO at idle but normal at cruise. Spark plugs are fouled. What is MOST likely?

Options:

A.

Faulty EGR valve stuck open

B.

Faulty MAP sensor

C.

Leaking fuel injector(s)

D.

Restricted exhaust system

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T Series Overview

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

T Series Questions