A Vehicle Has Both Excessive CO and O₂ Readings

question 14

Multiple Choice

A vehicle has both excessive CO and O₂ readings. Which condition is the most likely cause?

• A) An intake manifold leak
• B) An exhaust leak
• C) A fuel injector leak
• D) An exhaust restriction

---

Definitions:

Adversarial

Describes a legal system or process where two opposing parties present their arguments to an impartial judge or jury.

Settlement Agreement

A legal agreement that resolves a dispute between two parties without the need for a trial.

No-Action Agreement

An understanding or assurance from a regulatory authority indicating that no enforcement action will be taken, often despite potential violations.

Payoff

A final payment that settles a debt or an investment, or the bribe to secure someone's compliance or silence.