Auto Engine Repair (SOS Michigan Test
Prep Valve Train
What is enclosed in the vehicle vin? Correct answers Engine type, body
style, and transmission type.
A compression test shows that one cylinder shows to much leakage. During
the air test could be heard coming from the tailpipe what could be the
cause?
A) bad piston rings
B) bad head gasket
C) bad exhaust gasket
D) exhaust valve not seating Correct answers D.) exhaust valve not seating
Technician A says that main bearing oil clearances can be checked with
plasty gages. Technician B says that main bearing oil clearances can be
checked with a feeler gauge. Who is Correct? Correct answers Tech A
An engine is burning to much oil. Technician A says its the valve guides.
Technician B says its tapered cylinder walls. Who is correct? Correct
answers Both
A compression test is being done on an in- line four cylinder engine.
Cylinder two and three have readings of 10 psi cylinder one has a reading
of 140 psi and cylinder four has 145psi.
Technician A says its a blown head gasket
Technician B says its bad valve timing. Correct answers Tech A
What is the most likely cause of low fuel pressure in a fuel injection
engine?
E) clogged fuel filter
F) clogged injector
G) restricted fuel line
H) stuck closed pressure regulator Correct answers A) clogged fuel filter
The pressure and volume of a mechanical fuel pump are both below spec.
Technician A says that an air leak in the fuel line between the tank and the
pump could be the cause.
Technician B says that a plugged fuel tank pick-up filter is the cause.
Correct answers Both
The most likely cause of a bent push rod? Correct answers Excessive
valve guide clearance
, Technician A says that it is important to drive the customers vehicle
to verify the complaint as part of your diagnosis procedure.
Technician B says its a good idea to check for related TSB's Correct
answers Both
Technician A says the main bearing clearances can be checked with
plasty gauges. Technician B says that you can check main bearing
clearances with a feeler gauge. Who is correct? Correct answers Tech A
The oil filter on a customer's car is bulged out.
Technician A says this could be caused by an improper filter installation.
Technician B says this can only be caused by a pressure regulator that is
stuck. Who is correct? Correct answers Tech B
Technician A says that a turbocharger boost is controlled by a
wastegate. Technician B says the wastegate is controlled by the
engine vacuum.
Who is correct? Correct answers Both
NATEF certifies automotive:
A) dealerships
B) independent garages
C) technicians
D) training programs Correct answers D) training programs
All of these are ASE certifications except
E) automotive transmission/ transaxle
F) engine repair
G) service and maintenance
H) suspension and steering Correct answers C) service and
maintenance
Which part is most likely the problem if a light does not come on during an
instrument panel bulb check?
I) bulb
J) fuse
K) sender
L) switch Correct answers A) bulb
What organization certifies automotive technicians?
M)ASE
N) AYES
O) NATEF
P) OSHA Correct answers A) ASE
Which engine oil has lubricating properties?
Q) conventional oil
R) crude oil
S) plain oil
Prep Valve Train
What is enclosed in the vehicle vin? Correct answers Engine type, body
style, and transmission type.
A compression test shows that one cylinder shows to much leakage. During
the air test could be heard coming from the tailpipe what could be the
cause?
A) bad piston rings
B) bad head gasket
C) bad exhaust gasket
D) exhaust valve not seating Correct answers D.) exhaust valve not seating
Technician A says that main bearing oil clearances can be checked with
plasty gages. Technician B says that main bearing oil clearances can be
checked with a feeler gauge. Who is Correct? Correct answers Tech A
An engine is burning to much oil. Technician A says its the valve guides.
Technician B says its tapered cylinder walls. Who is correct? Correct
answers Both
A compression test is being done on an in- line four cylinder engine.
Cylinder two and three have readings of 10 psi cylinder one has a reading
of 140 psi and cylinder four has 145psi.
Technician A says its a blown head gasket
Technician B says its bad valve timing. Correct answers Tech A
What is the most likely cause of low fuel pressure in a fuel injection
engine?
E) clogged fuel filter
F) clogged injector
G) restricted fuel line
H) stuck closed pressure regulator Correct answers A) clogged fuel filter
The pressure and volume of a mechanical fuel pump are both below spec.
Technician A says that an air leak in the fuel line between the tank and the
pump could be the cause.
Technician B says that a plugged fuel tank pick-up filter is the cause.
Correct answers Both
The most likely cause of a bent push rod? Correct answers Excessive
valve guide clearance
, Technician A says that it is important to drive the customers vehicle
to verify the complaint as part of your diagnosis procedure.
Technician B says its a good idea to check for related TSB's Correct
answers Both
Technician A says the main bearing clearances can be checked with
plasty gauges. Technician B says that you can check main bearing
clearances with a feeler gauge. Who is correct? Correct answers Tech A
The oil filter on a customer's car is bulged out.
Technician A says this could be caused by an improper filter installation.
Technician B says this can only be caused by a pressure regulator that is
stuck. Who is correct? Correct answers Tech B
Technician A says that a turbocharger boost is controlled by a
wastegate. Technician B says the wastegate is controlled by the
engine vacuum.
Who is correct? Correct answers Both
NATEF certifies automotive:
A) dealerships
B) independent garages
C) technicians
D) training programs Correct answers D) training programs
All of these are ASE certifications except
E) automotive transmission/ transaxle
F) engine repair
G) service and maintenance
H) suspension and steering Correct answers C) service and
maintenance
Which part is most likely the problem if a light does not come on during an
instrument panel bulb check?
I) bulb
J) fuse
K) sender
L) switch Correct answers A) bulb
What organization certifies automotive technicians?
M)ASE
N) AYES
O) NATEF
P) OSHA Correct answers A) ASE
Which engine oil has lubricating properties?
Q) conventional oil
R) crude oil
S) plain oil
