Egr open lean - Study guides, Class notes & Summaries

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

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 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...

PA EMISSIONS INSPECTION EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED 2024 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 Important telephone numbers Emissions inspector Performs PA emissions inspections in the Pittsburgh, Philadelphia, South Central and L...

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...

A hesitation on acceleration can be caused by? A faulty Throttle position sensor A leak in the vacuum hose to a MAP sensor may cause? A higher-than-normal reading from the sensor and can cause hesitation during acceleration Tools that can be used to diagnose emission faults without a DTC. Power graphing multi meter, labscopes, and graghing scan tools Computer, sensor power feeds, grounds, and signal wires can be tested with a? DMM Sensor and actuator waveform analysis can be performe...

ASE A8 Practice Test - ASE A8 Engine Performance Test Prep - Test 2 Practice Questions and Answers Technician B - Ans:-After performing a wet compression test, the pressure in each of the cylinders increased, but remained below specifications. Technician A says this is caused by incorrect valve timing. Technician B says this is caused by worn piston rings. Who is correct? A. Technician A B. Technician B C. Both A and B D. Neither A nor B A burned exhaust valve. - Ans:-A vacuum gauge is...

What health problems can pollution cause? - Respiratory issues What percent of air pollution is caused by vehicles? - 20% How much less air pollution do we have now than in the 1960s? (%) - 98% less What is the average thermal efficiency? (%) - 20% Where does 80% of the rest of the fuel go to? - Friction, heat, and emissions What are the 5 major pollutants? - Hydrocarbons (HC), Carbon monoxide (CO), Oxides of nitrogen (NOx), Sulfur dioxide (SO2), and particulate matter What are...

PA EMISSIONS INSPECTION EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED 2024 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 Important telephone numbers Emissions inspector Performs PA emissions inspections in the Pittsburgh, Philadelphia, South Central and L...

an engine miss is being diagnosed using a cylinder leakage test. Technician A says that any cylinder with over 20% leakage has excessive leakage. Tech B says that air leaking from the tailpipe indicates a cracked cylinder. A only, B only, A & B, Neither . - correct answer A only: If cylinder leakage exceeds 20%, check for air escaping the tailpipe, the PCV valve opening in the rocker arm cover, and the top of the throttle body or carburetor. Air leaking from t...