Texas Emissions Inspections Exam Questions and Answers 100% Pass

Texas Emissions Inspections Exam Questions and Answers 100% Pass Why are we concerned about motor vehicle pollution? Motor vehicles emit toxic air pollutants Motor vehicles contribute to the formation of ground level ozone A "typical" vehicle emits a half-ton of air pollution annually A malfunctioning vehicle emits many times the amount of pollution of a "typical" vehicle True or False: Motor vehicles are the largest source of ground-level ozone (or smog) in Texas. True What is the primary purpose of OBDII? To insure that vehicles emit the minimum amount of pollutants through their useful life. What does the OBD II inspection do? Monitors all components that affect vehicle emissions. Detect and record malfunctions of the components that affect vehicle emissions. Checks the results of the self-tests that occur while the vehicle is driven prior to the time of inspection. What model year and weight requirement are OBDII systems required in gasoline powered vehicles? 1996 or newer/8,500 pounds or less True or False: Each vehicle make requires a different Diagnostic Link Connector, and you are responsible for ensuring your inspection station has each tool needed for all vehicle makes. False Where can you locate the diagnostic connector in most vehicles? Beneath the instrument panel, near the steering column What is the name of the amber colored warning light that is illuminated by the OBD system when a malfunction occurs? Malfunction Indicator Light When severe misfire occurs that could damage the catalytic converter, what does the MIL do? Flashes on and off once per second What two checks are required of the MIL: i. Key-On Engine Off (KOEO) ii. Key-On Engine Running (KOER) iii. Key-Off Engine Off (KOEO) iv. Key-Off Engine Off (KOEO) i and ii What are you checking for during the Key On, Engine Off (KOEO) inspection? That the MIL comes on when the ignition key is turned to the KOEO position True or False: On some vehicles, the MIL will illuminate very briefly when the key is turned to the KOEO position, and then will go out. This is not acceptable. False What are you checking for during the Key On, Engine Running inspection? If the MIL remains on with the engine running, indicating that there is a problem with the vehicle What does the MIL look like visually? It will say "Service Engine Soon" It will say "Check engine" The international engine symbol What information will be downloaded from the OBDII system? MIL status, readiness status, and diagnostic trouble codes True or False: MIL status refers to whether or not the PCM has commanded the MIL to be on. True What does it mean when a component that has been diagnosed is termed "ready"? The component was tested by the OBDII system What does it mean when the non-continuous components or systems are set to "not ready"? The battery has been disconnected or the