Technician A says that the EGR system monitors the ability of the fuel tank to hold pressure as well as the purge of vapors into the intake system. Technician B says that the EVAP system collects fuel vapors in the expansion cavity at the top of the fuel tank, then sends them to the charcoal canister. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B

Question

Quizplus · Accepted Answer

Technician A is incorrect because the description given pertains to the EVAP (Evaporative Emission Control) system, not the EGR (Exhaust Gas Recirculation) system. Technician B is correct as the EVAP system is designed to capture fuel vapors from the fuel tank and store them in the charcoal canister until they can be purged and burned in the engine.

Technician a Says That the EGR System Monitors the Ability