Why should you check your exhaust system?

A leaking exhaust can allow poisonous Carbon Monoxide fumes into the cab.. Section 2.1: A broken exhaust system can let poison fumes

Why should you check your exhaust system?

ANSWER BREAKDOWN
  • A. Incorrect. "To pass emissions tests." is not correct. A broken exhaust system can let poison fumes (Carbon Monoxide) into the cab or sleeper berth.
  • B. Correct. A broken exhaust system can let poison fumes (Carbon Monoxide) into the cab or sleeper berth.
  • C. Incorrect. "To make the truck quieter." is not correct. A broken exhaust system can let poison fumes (Carbon Monoxide) into the cab or sleeper berth.
  • D. Incorrect. "To improve fuel efficiency." is not correct. A broken exhaust system can let poison fumes (Carbon Monoxide) into the cab or sleeper berth.