What may happen if the exhaust system is not working properly?

Question

A broken exhaust system can allow poisonous fumes to enter a vehicle's cab or sleeper berth. Be sure to regularly check your exhaust system for defects.

Accepted Answer

Poisonous fumes may enter the cab.

Answer

Poisonous fumes may exit the rear of the muffler system.

Answer

It may prevent proper steering.

Answer

It may cause problems if the trailer is fully loaded.