Question

A vehicle fails an emission test due to excessive carbon monoxide indicating a rich air fuel mixture. Technician A says that a saturated charcoal canister could be the cause. Technician B says that a stuck-closed EVAP purge solenoid could be the cause. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician

Answer 1

A) Technician A only

Step-by-step explanation:

A saturated charcoal canister would lead inreased emission and release of excessive carbon monoxide into the atmosphere.