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1.2L REVOTRON ENGINE
15
Over cooling
Defective thermostat
Remove thermostat and check for
proper opening at specified
temperature.
Defective
temperature
sending unit
Check
coolant
temperature
sending
unit.
Replace
as
necessary.
7. Engine Lubrication System
Condition
Possible Cause
Remedy
Engine consumes oil
Obstructed air filter or air
Inlet
Clean or replace air filter or inlet
Worn piston rings
Perform compression or leak-down
test
Worn valve guide seals or
other valve train component.
Inspect valve train components.
Repair or replace as necessary
Mechanical oil seal, O-ring,
or gasket leaking
Inspect engine oil seals and gaskets
for visual signs of leakage. Replace
seals or gaskets as necessary.
Engine does not develop oil
pressure
Low oil level or Incorrect
grade of oil
Add proper grade of oil until level is
at the 'MAX' mark on dipstick
Faulty oil pressure sending
unit
Replace faulty sending unit as
needed.
Defective
engine
oil
pump/oil pump relief valve
stuck open
Inspect oil pump operation. Repair
or replace as necessary.
Excessive
wear
of
connecting
rods,
main
bearings and journals, or
other
internal
engine
components.
Repair/replace engine components.
Oil Filter clogged strainer
clogged
Clean or replace.