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Vehicle basics

The purpose of the fuel filter is to:

  1. control fuel pressure
  2. retain impurities in the fuelCorrect answer!
  3. prevent excess fuel
  4. retain impurities in the air

Explanation

The correct answer is option 2 (retain impurities in the fuel). This question assesses Basic mechanics; this option directly satisfies the conditions in the prompt and road-safety rules. The other options broaden, narrow, or depart from those conditions and should not be selected. Under the current rule, the difficulty is 2 on a scale from 1 to 5.

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