Auto Engine Repair (SOS Michigan Test
Prep Valve Train) EXAM NEWEST 2025
EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY
GRADED A+
What is enclosed in the vehicle VIN? - Answers - ✔✔Engine type, body style, and
transmission type.
A compression test shows that one cylinder shows too 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 - Answers - ✔✔D.) Exhaust valve not seating
Technician A says that main bearing oil clearances can be checked with plastic gages.
Technician B says that main bearing oil clearances can be checked with a feeler gauge.
Who is Correct? - Answers - ✔✔Tech A
An engine is burning too much oil. Technician A says it’s the valve guides. Technician B
says its tapered cylinder walls. Who is 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 it’s a blown head gasket
Technician B says its bad valve timing. - Answers - ✔✔Tech A
What is the most likely cause of low fuel pressure in a fuel injection engine?
A) Clogged fuel filter
B) Clogged injector
C) Restricted fuel line
D) Stuck closed pressure regulator - 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. - Answers -
✔✔Both
The most likely cause of a bent push rod? - Answers - ✔✔Excessive valve guide
clearance
Technician A says that it is important to drive the customer’s vehicle to verify the
complaint as part of your diagnosis procedure.
Technician B says it’s a good idea to check for related TSB's - 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? - 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? - Answers - ✔✔Tech B
Technician A says that a turbocharger boost is controlled by a waste gate.
Technician B says the waste gate is controlled by the engine vacuum.
Who is correct? - Answers - ✔✔Both
NATEF certifies automotive:
A) Dealerships
B) Independent garages
C) Technicians
D) Training programs - Answers - ✔✔D) training programs
All of these are ASE certifications except
A) Automotive transmission/ transaxle
B) Engine repair
C) Service and maintenance
D) Suspension and steering - 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?
A) Bulb
B) Fuse
C) Sender
D) Switch - Answers - ✔✔A) bulb
What organization certifies automotive technicians?
A) ASE
B) AYES
Prep Valve Train) EXAM NEWEST 2025
EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY
GRADED A+
What is enclosed in the vehicle VIN? - Answers - ✔✔Engine type, body style, and
transmission type.
A compression test shows that one cylinder shows too 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 - Answers - ✔✔D.) Exhaust valve not seating
Technician A says that main bearing oil clearances can be checked with plastic gages.
Technician B says that main bearing oil clearances can be checked with a feeler gauge.
Who is Correct? - Answers - ✔✔Tech A
An engine is burning too much oil. Technician A says it’s the valve guides. Technician B
says its tapered cylinder walls. Who is 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 it’s a blown head gasket
Technician B says its bad valve timing. - Answers - ✔✔Tech A
What is the most likely cause of low fuel pressure in a fuel injection engine?
A) Clogged fuel filter
B) Clogged injector
C) Restricted fuel line
D) Stuck closed pressure regulator - 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. - Answers -
✔✔Both
The most likely cause of a bent push rod? - Answers - ✔✔Excessive valve guide
clearance
Technician A says that it is important to drive the customer’s vehicle to verify the
complaint as part of your diagnosis procedure.
Technician B says it’s a good idea to check for related TSB's - 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? - 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? - Answers - ✔✔Tech B
Technician A says that a turbocharger boost is controlled by a waste gate.
Technician B says the waste gate is controlled by the engine vacuum.
Who is correct? - Answers - ✔✔Both
NATEF certifies automotive:
A) Dealerships
B) Independent garages
C) Technicians
D) Training programs - Answers - ✔✔D) training programs
All of these are ASE certifications except
A) Automotive transmission/ transaxle
B) Engine repair
C) Service and maintenance
D) Suspension and steering - 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?
A) Bulb
B) Fuse
C) Sender
D) Switch - Answers - ✔✔A) bulb
What organization certifies automotive technicians?
A) ASE
B) AYES
