Engine Performance Questions and
Answers with Complete Solutions
what component keeps the crankshaft and cam shaft sychronized ✔✔timing chain or belt
what component o the cooling system holds heat in the engine until
...
Engine Performance Questions and
Answers with Complete Solutions
what component keeps the crankshaft and cam shaft sychronized ✔✔timing chain or belt
what component o the cooling system holds heat in the engine until it reaches normal operating
conditions ✔✔thermostat
what exhaust component reduces pollutants ✔✔catalytic converter
what lubricating system component circulates oil throughout the system ✔✔oil pump
what air induction system component contains a trhottle plate that controls engine speed
✔✔throttle body
what air induction system component carries air to each cylinder ✔✔intake manifold
what component of the air induction system prevents debris from entering the engine ✔✔air
filter
when testing for vacuum what tool is used and what is its normal reading ✔✔vacuum gauge, 16-
20
what type of tool can be used to find leaks in the air induction system ✔✔smoke machine
what is the purpose of the throttle body on a modern engine ✔✔control air flow
what are three components of a modern exhaust system ✔✔exhaust manifold, catalytic
converter, muffler, exhaust pipe, tail pipe, heated o2 sensor
what is the purpose of a catlytic convertor in a modern exhaust system ✔✔remove pollutants
explain what would happen if you were to run an engine without an exhaust system ✔✔burnt
valves
what would happen if the exhaust system had a leak between the cylinder head and catalytic
convertor ✔✔effect engine performance
in the exhaust system identify the engine component which is attached directly to the cylinder
head ✔✔exhaust manifold
how do you join an exhaust system together when fitting it to an automobile ✔✔weld it, to
prevent leaks
what do you do if you have broken bolts ✔✔attempt to remove broken piece or drill and tap it
if the OBD II scan tool indicated the catalytic converter is insufficient, what types of problems
could be occurring ✔✔unburnt gas is going into the exhaust, because of bad spark plug, exhaust
leak, intake leak, or bad fuel pressure regulator`
what component of the cooling system circulates coolant throughou tthe system ✔✔water pump
what component of the cooling system pulls air through the radiator ✔✔cooling fan
what component of the cooling system reduces the heat in the system ✔✔radiator
if you are having problems with your car overheating what would be the first thing you need to
check ✔✔coolant level
if your car is overheating what could be used to test the system ✔✔coolant pressure tester
what lubricating system component sets in the oil pan to draw oil ✔✔oil pickup tube
what lubricating system component monitors the system pressure ✔✔oil sending unit
if an engine has rod knock on the lower end of the engine what could be the possible oil related
cause ✔✔lack of oil or oil pressure
when performing an oil change on a car what should be inspected after removing the oil filter
✔✔ensure the o-ring came off with the filter
where is the fuel pump located on a modern car ✔✔in the fuel tank
describe in your own words what the term "multi-port fuel injection" means ✔✔each cylinder
has its own fuel injector
what is the approximate fuel pressure produced on a modern automobile engine ✔✔40-60 PSI
describe in your own words how you would test a modern fuel pump to ensure that it is working
correctly ✔✔fuel pressure test
what component maintains fuel pressure at the injectors and where would you most likely find
this component ✔✔fuel pressure regulator at the fuel rail
what is the reason for disconnecting a batter before working on any fuel system ✔✔prevent the
pump form coming on and to prevent accidental ignition and possible fire
list 5 main parts which you can identify on older ignition system which uses a distributor
✔✔distributer cap, rotor, ignition wires, coil, magnetic pickup, poilnts
explains in your own words what is the purpose of the ignition coil is ✔✔increase voltage to the
spark plugs to ignite the fuel
what is the correct technical name of the spark plug wires ✔✔ignition wires
descrive how you would determine that a spark plug wire is in good operating condition
✔✔check for resistance
identify the type of ignition system would you find on a new vehicle with spark ignition
✔✔distributor less ignition system
how many volts does a new ignition coil produce ✔✔50,000 volts
name the two engine components which are needed to assist in controlling the ignition timing on
a new engine ✔✔crank sensor and cam sensor
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