Which device protects the air pump from reverse exhaust pressure?
A) IAC valve
B) Check valve
C) EGR valve
D) PCV valve

Name: Which device protects the air pump from reverse exhaust pressure? A) IAC valve B) Check valve C) EGR valve D) PCV valve
Brand: Quizplus
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Question

Quizplus · Accepted Answer

A check valve is designed to only allow air flow in one direction, preventing reverse exhaust pressure from damaging the air pump. The other three devices listed have different purposes and do not protect the air pump in this way.

Which Device Protects the Air Pump from Reverse Exhaust Pressure