Emissions Study Guide
What is the main function of the egr valve? to lower the production of nox gas in the combustion chamber What should an emission inspector use to determine the gvwr of a vehicle? the vehicle weight placard on the vehicle What is acceptable for valid registration ? - valid registration card - pink slip - print out from penndot vehicle registration website What engine speed is the vehicle operated at during a two speed idle test? idle 400-1250 rpm & (2500 rpm) What is gasoline made of? hydrogen & carbon atoms Name the three harmful gases produced by a vehicle? co, hc & nox What do we give a customer that fails an emission test? a signed vir & repair data form What paperwork is required from the customer to do an initial emission inspection? valid registration only How often does an emission inspector have to recertify ? every 2 years What are acceptable entries during the visual anti- tampering check for each area? pass, fail, n/a not applicable What isn't required during a 5000 miles exemption? visual inspection, obd-ii test What is used for the mil ( malfunction indicator light )? -check engine light
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