Question 1
A small leak is detected by the evaporative emission control system monitor that could be caused by a loose gas cap. Which DTC will likely be set?
◦ P0440
◦ P0442
◦ P0446
◦ P0440, P0441, or P0442
Question 2
A vehicle failed an emission test due to high carbon monoxide and hydrocarbons in the exhaust gas. What could be the cause?
◦ Saturated EVAP charcoal canister
◦ Overfilling the fuel tank
◦ Either A or B
◦ Neither A nor B