SVP Light Vehicle Mechanic Practice Questions - Saudi Skill Verification Program - Light Vehicle Mechanic Exam

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A vehicle experiences continuous misfires on multiple cylinders, strong fuel smell, and black smoke from the exhaust. A diagnostic scan shows consistently high positive fuel trim readings. What is the most likely issue?

A restricted exhaust system. Leaking fuel injectors or excessively high fuel pressure. A faulty oxygen sensor indicating a lean condition. A clogged air filter.

Correct Answer:

Leaking fuel injectors or excessively high fuel pressure.

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