Pa Emissions Questions & Answers(Verified Answers)

What is the primary function of the Evaporative Control System? -ANSWER - To collect and store vapors originating in the fuel system When a vehicle passes a PA Emissions Inspection, who is authorized to affix the PA Emissions Inspection Certificate (emissions sticker) to the vehicle? -ANSWER - PA Certified Emission Inspector Two inspectors are discussing the PA Emission Inspection Program. Inspector "A" says: "Vehicles that fail the visual portion of the inspection should receive a complete test before any repairs are made; however, a faulty or missing gas cap may be replaced after receiving the customer's authorization." Inspector "B" says: "Vehicles that pass the emission inspection will be issued a Vehicle Inspection Report (VIR) and a PA Certificate of Emission Inspection (emission sticker)." Who is right? -ANSWER - Both A and B The EPA has identified three harmful pollutants produced through inefficient vehicle combustion and evaporation. These pollutants are: -ANSWER - HC, CO and NOX Inspector "A" says: "A vehicle that fails an initial emissions inspection is entitled to one free retest until their current emission sticker expires." Inspector "B" says: "Vehicle owners may request a retest at a facility other than the one that performed the initial emissions test." Who is right? -ANSWER - B only What is the primary function of the gas cap vacuum relief valve? -ANSWER - To allow fresh air to enter the fuel tank If a vehicle were equipped with an Exhaust Gas Recirculation (EGR) valve, it would typically be located? -ANSWER - On or near the intake manifold