Egr open lean - Study guides, Class notes & Summaries

PA Emissions Inspection Exam Questions with Complete & Updated Solutions What health problems can pollution cause? - Answer ️️ -Respiratory issues What percent of air pollution is caused by vehicles? - Answer ️️ -20% How much less air pollution do we have now than in the 1960s? (%) - Answer ️️ -98% less What is the average thermal efficiency? (%) - Answer ️️ -20% Where does 80% of the rest of the fuel go to? - Answer ️️ -Friction, heat, and emissions What are the 5 m...

High Hydro Carbons indicate... - ANSWER-Engine misfire; Incomplete burning of fuel, Ignition fault Lean misfire Thermostat (engine temp. too low) High CO indicates... - ANSWER-Rich condition; Leaking fuel injector or fuel-pressure regulator Clogged air filter or PCV system Excessive fuel pressure High NOx indicates... - ANSWER-Hot engine temp. Bad EGR valve Lean Air/Fuel mixture High Compression If vacuum is low, EGR flow is_______? - ANSWER-High A cold engine requires a (Ri...

PA Emissions Inspection Exam Questions and Answers 100% Pass What health problems can pollution cause? - Answer- Respiratory issues What percent of air pollution is caused by vehicles? - Answer- 20% How much less air pollution do we have now than in the 1960s? (%) - Answer- 98% less What is the average thermal efficiency? (%) - Answer- 20% Where does 80% of the rest of the fuel go to? - Answer- Friction, heat, and emissions What are the 5 major pollutants? - Answer- Hydrocarbons (HC), Car...

PA Emissions Inspection Exam with Complete Solutions Station hotline *General program questions *Network connections and operations *Individual user ID, password system access Customer hotline *Station locations *General questions and information *Station complaints Sticker department *Help with sticker and insert orders - Answer ️️ -Important telephone numbers Emissions inspector - Answer ️️ -Performs PA emissions inspections in the Pittsburgh, Philadelphia, South Central a...

PA Emissions Inspection Exam Questions and Answers 100% Pass What health problems can pollution cause? - Answer- Respiratory issues What percent of air pollution is caused by vehicles? - Answer- 20% How much less air pollution do we have now than in the 1960s? (%) - Answer- 98% less What is the average thermal efficiency? (%) - Answer- 20% Where does 80% of the rest of the fuel go to? - Answer- Friction, heat, and emissions What are the 5 major pollutants? - Answer- Hydrocarbons (HC), Car...

The opening temperature - ANSWER-A thermostat is rated at 195°F. This means: a. The opening temperature b. The fully open temperature c. The temperature in the radiator before the thermostat opens d. The temperature that the cooling fan comes on Cause the vehicle to burn more gas than if he left it in gear. - ANSWER-Joe puts his car in neutral while coasting down a mile-long hill in Arizona. This will: a. Cause the vehicle to burn more gas than if he left it in gear. b. Cause the vehic...

Usps exam Exam 2024/2025 Questions With Completed & Verified Solutions.

Engine Performance Questions and Answers with Complete Solutions Blue smoke is coming from the exhaust pipe of a vehicle. Tech A says that worn piston rings could be the cause. Tech B says that a bad head gasket could be the cause. Who is right? A. Tech A B. Tech B C. Both D. Neither A. Blue smoke means the engine is burning oil, which could be caused by worn piston rings. Technician B is wrong because a bad head gasket would cause coolant to leak into one or more cylinders, resulting in whi...

ASE - Engine Performance Questions and Answers Graded A+ Magnetic pulse generators are used to provide a digital signal about component speed or position. False A digital signal may be called a square-wave signal. True The manifold absolute pressure (MAP) sensor monitors engine load. True A defective O2 sensor heater may cause reduced open loop time. False A defective vehicle speed sensor may cause improper torque converter lockup. True A vehicle with throttle actuator control may use thre...

Engine Performance TEST Questions and Answers Already Passed NB: All answers appear above the respective questions (Answers are above the questions). Electromagnetic induction Which term describes the principle used to create high voltage from low voltage? Both Technicians A and B Technician A says that platinum tipped spark plugs should never be re-gapped after being used in a running engine. Technician B says that spark plugs should not be removed from a hot cylinder head. Which technicia...