Question

technician a says that the purge valve is part of the evaporative emissions system. technician b says that obdii systems must illuminate the mil when the emissions exceed 1.5 times the ftp. who is correct?

a. technician a
b. technician b
c. both technician a and technician b
d. neither technician a nor technician b

Explanation:

• The purge valve is indeed part of the evaporative emissions system. It controls the flow of fuel vapors from the charcoal canister to the engine intake manifold for combustion.
• For OBD - II systems, when emissions exceed 1.5 times the Federal Test Procedure (FTP) standards, the Malfunction Indicator Lamp (MIL) must illuminate.

Answer:

C. Both Technician A and Technician B