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Revotron 1.2T
16
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.
8. Fuel System
Condition
Possible Cause
Remedy
Vehicle consumes excess fuel
Incorrect tyre pressure or tyre
size/type
•
Verify the tyre pressures and
size/type are correct. Rectify as
necessary.
Engine overloading
•
Make sure brakes are not
dragging.
•
Vehicle overloaded. Make sure
vehicle does not exceed weight
limit with cargo.
Obstructed air filter or air inlet
•
Clean or replace air filter or inlet.
Vehicle ignition system in
need of tune- up
•
Inspect spark plugs and high
tension
leads.
Replace
as
necessary.
Improper
grade
or
contaminated fuel
•
Rush fuel system with fresh, clean,
fuel of the correct type. Replace
fuel filter.
Low battery voltage
•
Test battery and charging system
output. Repair or replace battery or
charging system components as
needed.
Incorrect valve/ignition timing
•
Check timing system components
and repair or replace as necessary.
Defective lambda/02 or other
engine sensors
•
Check lambda/02 sensor and other
engine
sensors
for
proper
operation.
Defective fuel injectors or
other fuel system component
•
Inspect fuel system components
for proper operation. Repair or
replace as necessary.
Disconnected or leaking
vacuum line or vacuum leak
at inlet manifold
•
Inspect all vacuum lines and
connections. Repair or replace as
necessary.