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What is enclosed in the vehicle vin? Engine type, body style, and transmission type.
A compression test shows that one D.) exhaust valve not seating
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
Technician A says that main bearing oil Tech A
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?
An engine is burning to much oil. Both
Technician A says its the valve guides.
Technician B says its tapered cylinder
walls. Who is correct?
, A compression test is being done on Tech A
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.
What is the most likely cause of low A) clogged fuel filter
fuel pressure in a fuel injection
engine?
A) clogged fuel filter
B) clogged injector
C) restricted fuel line
D) stuck closed pressure regulator
The pressure and volume of a Both
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.
The most likely cause of a bent push Excessive valve guide clearance
rod?
Technician A says that it is important to Both
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