Question

Extremely dirty air filters can cause:

A) excessive engine airflow.
B) improved fuel economy.
C) longer engine life.
D) poor engine performance.

Answer 1

Extremely dirty air filters can cause poor engine performance.

Step-by-step explanation:

Extremely dirty air filters can cause poor engine performance (D). When air filters become clogged with dirt and debris, it restricts the flow of air to the engine. This can lead to reduced power, decreased fuel efficiency, and overall decreased performance of the engine.