Question # 17

A vehicle surges at highway speed. Fuel trims fluctuate lean-to-rich, while MAF sensor readings remain stable. Fuel pressure gauge shows rapid oscillation. What is the cause?

Options:

A.

Faulty fuel pressure regulator

B.

Restricted catalytic converter

C.

Dirty throttle body

D.

Vacuum leak

Viewing question 17 out of 72 questions
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