Tailpipe Study guides, Class notes & Summaries

A compression test shows that one cylinder is too low. A leakage test on that cylinder shows that there is excessive leakage. During the test, air could be heard coming from the tailpipe. Which of the following could be the cause? A. Broken piston rings B. Bad head gasket C. Bad exhaust gasket D. An exhaust valve not seating - Answer- The correct answer is D. If an exhaust valve is not seating, air will leak from the combustion chamber by way of the valve out to the tailpipe and make an audi...

A compression test shows that one cylinder is too low. A leakage test on that cylinder shows that there is excessive leakage. During the test, air could be heard coming from the tailpipe. Which of the following could be the cause? A. Broken piston rings B. Bad head gasket C. Bad exhaust gasket D. An exhaust valve not seating - The correct answer is D. If an exhaust valve is not seating, air will leak from the combustion chamber by way of the valve out to the tailpipe and make an audible ...

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 the tailpipe usually i...

Emissions final study guide questions with certified solutions Hydrocarbons Raw or unburnt fuel. Hydrogen + carbon atoms. 3 emissions that need to be reducedon vehicles. Hydrocarbons, Carbon Monoxide, Oxides of Nitrogen. Carbon Monoxide "CO" is produced when no burn takes place in the combustion chamber. Rich mixture produces more CO. Oxides of Nitrogen "NOx" tailpipe emission that has a fast burn time in the combustion chamber. Air is made up of 78% nitrogen, 21% oxygen...

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 . - 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 the tailpipe usually indicates...

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ASE A1 - Practice Test (Section A) 1. 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 Both A & B Neither A nor B - 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 le...

1. 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 Both A & B Neither A nor B - 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 the tailpipe usually indicates an...

Smog Check Manual - Part 2 Question and answers already 2023/2024 The inspector determines the vehicle is unsafe, unfit, or incompatible with the tailpipe emissions inspection - correct answer The inspector shall reject the vehicle from ASM/TSI inspection, or if the inspection has started, abort the inspection, if... Gasoline leaks, large coolant leaks, faulty brakes, tire failure - correct answer Examples of vehicle conditions that are unsafe for tailpipe emissions testing include, but are ...

Smog Check Inspector CA Exam Questions With Answers Update 2023/2024. What are the two types of Acceleration Simulation mode tests? - ANSWER 50/15 and 25/25 test What does DAD stand for ? - ANSWER Data acquisition device Smog check program divides the state into 3 areas determined by the air quality.. what are they ? - ANSWER Enhanced, Basic, and Change of Ownership Biennial smog checks are required in which program area? - ANSWER Enhanced areas ( these areas do not meet federal or state a...