SsangYong Rexton. Manual - part 14

DI01-10

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

ENGINE ASSEMBLY

DI ENG SM - 2004.4

GENERAL DIAGNOSIS

Probable Cause

•

Faulty fuse.

•

Faulty spark plug.

•

Electric leakage at the high
tension cable.

•

Poor connection of the high
tension cable or lead wires.

•

Improper ignition timing.

•

Faulty ignition coil.

•

Lock of fuel in the fuel tank.

•

Dirty or clogged fuel filter.

•

Clogged fuel pipe.

•

Malfunction of the fuel pump.

•

Malfunction of the fuel injector.

•

The foreign material in the fuel
tank.

•

Poor tightening spark plug.

•

Cracked cylinder head gasket.

•

Inadequate the valve clearance.

•

Leakage of the valve clearance.

•

Interference of the valve stem.

•

Low elasticity or damage of the
valve spring.

•

Abnormal interference of pistons
and cylinders.

•

Excessive wear of pistons,
rings, or cylinders.

•

Broken timing belt.

•

Loosening, damage or leakage
of the vacuum hose.

•

Leakage of intake system.

•

Refer to above in this page.

•

Improper ignition timing.

•

Faulty spark plug.

•

Electric leakage or poor
connection of the high tension
cable.

Correction

•

Replace the fuse.

•

Clean, adjust the plug gap or
replace.

•

Replace the cable.

•

Replace the cable or wires.

•

Adjust the ignition timing.

•

Replace the ignition coil.

•

Feed the fuel.

•

Replace the filter.

•

Clean the fuel pipe.

•

Replace the fuel pump.

•

Replace the injector.

•

Clean the fuel tank.

•

Tighten to the specified torque.
Compression

•

Replace the gasket.

•

Adjust the clearance.

•

Repair the valve.

•

Replace the valve or the valve
guide.

•

Replace the valve spring.

•

Replace the piston ring.

•

Replace the ring or the piston
and boring or replace the
cylinder.

•

Replace the belt.

•

Connect the hose correctly or
replace it.

•

Replace intake system.

•

Refer to above in this page.

•

Adjust the ignition timing.

•

Adjust or replace the spark plug.

•

Connect the cable correctly or
replace it.

Condition

Malfunction of
Ignition System

Hard Starting
(With normal
cranking)

Malfunction of
Fuel System

Lack of Engine
Power

Decline of
Compression
Pressure

Others

Malfunction of
Ignition System

Decline of
Compression
Pressure

DI01-11

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

ENGINE ASSEMBLY

DI ENG SM - 2004.4

Probable Cause

•

Clogged fuel pipe.

•

Clogged or contaminated fuel
filter.

•

Clogged exhaust system.

•

Clogged or contaminated air
cleaner element.

•

Leak of the intake manifold
gasket.

•

Dragging brakes.

•

Refer to “Compression Pressure
Test”.

•

Clogged fuel pipe.

•

Clogged or contaminated fuel
filter.

•

Malfunction of the fuel pressure
regulator.

•

Malfunction of the spark plug.

•

Electric leakage or poor connec-
tion of the high tension cable.

•

Poor ignition timing.

•

Malfunction of the ignition coil.

•

Clogged or contaminated air
cleaner element.

•

Leak of the intake manifold
gasket.

•

Poor connection or damage or
leakage of the vacuum hose.

•

Refer to “Compression Pressure
Test”.

•

Poor ignition timing.

•

Poor spark plug or Poor adjust-
ment of the plug gap.

•

Electric leakage or poor connec-
tion of the high tension cable.

•

Malfunction of the air cleaner
system.

•

Leak of the intake manifold
gasket.

Correction

•

Clean the pipe.

•

Replace the filter.

•

Check and repair the system.

•

Clean or replace the air cleaner
element.

•

Replace the gasket.

•

Repair or replace the brakes.

•

Refer to “Compression Pressure
Test”.

•

Clean the pipe.

•

Replace the filter.

•

Replace the regulator.

•

Adjust or replace the spark plug.

•

Connect the cable correctly or
replace it.

•

Adjust the ignition timing.

•

Replace the ignition coil.

•

Clean or replace the air cleaner
element.

•

Replace the gasket.

•

Connect the hose correctly or
replace it.

•

Refer to “Compression Pressure
Test”.

•

Adjust the ignition timing.

•

Replace the plug or adjust the
gap.

•

Connect the cable correctly or
replace it.

•

Clean or replace the air cleaner
system.

•

Replace the gasket.

Condition

Malfunction of
Fuel System

Lack of Engine
Power

Others

Engine Hesitate
(Upon pressing
accelerating
pedal, the
engine makes
delayed re-
sponse This
situation is
remarkable
when cruising or
starting.)

Decline of
Compression
Pressure

Malfunction of
Fuel System

Decline of
Compression
Pressure

Malfunction of
Ignition System

Malfunction of
Ignition System

Rough Engine
Idling

Others

Others

GENERAL DIAGNOSIS (Cont’d)

DI01-12

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

ENGINE ASSEMBLY

DI ENG SM - 2004.4

Probable Cause

•

Refer to “Compression Pressure
Test”.

•

Clogged fuel pipe.

•

Clogged or contaminated fuel
filter.

•

Malfunction of the fuel pressure
regulator.

•

Malfunction of the spark plug.

•

Electric leakage or poor
connection of the high tension
cable.

•

Poor ignition timing.

•

Leak of the intake manifold
gasket.

•

Leakage of the vacuum hose.

•

Refer to “Overheat” in this page.

•

Abnormal spark plug.

•

Poor ignition timing.

•

Electric leakage or poor
connection of the high tension
cable.

•

Clogged or contaminated fuel
filter and fuel pipe.

•

Leak of the intake manifold
gasket.

•

Excessive carbon deposit due to
abnormal combustion.

•

Lack of coolant.

•

Malfunction of the thermostat.

•

Malfunction of the cooling fan.

•

Poor water pump performance.

•

Clogged or leaky radiator.

•

Poor engine oil.

•

Blocking oil filter or strainer.

•

Lack of engine oil.

•

Poor oil pump performance.

•

Leakage of oil

•

Damaged cylinder head gasket.

Correction

•

Refer to “Compression Pressure
Test”.

•

Clean the pipe.

•

Replace the filter.

•

Replace the fuel pressure
regulator.

•

Adjust or replace the spark plug.

•

Connect the cable correctly or
replace it.

•

Adjust the ignition timing.

•

Clean or replace the gasket.

•

Connect the hose correctly or
replace it.

•

Refer to “Overheat” in this page.

•

Replace the spark plug.

•

Adjust the ignition timing

•

Connect the cable correctly or
replace it.

•

Clean or replace the fuel filter
and the fuel pipe.

•

Replace the gasket.

•

Remove the carbon.

•

Refill coolant.

•

Replace the thermostat.

•

Check or replace the cooling
fan.

•

Replace the pump.

•

Clean, repair or replace the
radiator.

•

Replace engine oil with the
specified one.

•

Clean or repair the oil filter or the
strainer.

•

Refill oil.

•

Replace or repair the pump.

•

Repair.

•

Replace the gasket.

Condition

GENERAL DIAGNOSIS (Cont’d)

Decline of
Compression
Pressure

Engine Surging
(Engine power
makes
fluctuation in a
fixed speed and
speed changes
without
operating the
accelerating
pedal.)

Malfunction of
Fuel System

Overheat

Malfunction of
Ignition System

Others

Others

Malfunction of
Fuel System

Malfunction of
Cooling System

Excessive
Detonation
(According to
the opening
range of Mal-
function of
metallic is
made with
abnormal
explosion )

Malfunction of
Ignition System

Malfunction of
Lubrication
System

Other

Overtheated
Engine

DI01-13

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

ENGINE ASSEMBLY

DI ENG SM - 2004.4

Probable Cause

•

Refer to “Compression Pressure
Test”.

•

Leakage of the fuel tank or the
fuel pipe.

•

Improper ignition timing.

•

Abnormal spark plug
(Excessive carbon deposit,
inadequate gap, burnt electrode).

•

Electric leakage or poor
connection of the high tension
cable.

•

Malfunction of the thermostat.

•

Improperly installed valve.

•

Low pressure of tires.

•

Loosened oil drain plug.

•

Loosened oil pan bolt.

•

Loosened oil filter.

•

Loosened oil pressure switch.

•

Leakage of camshaft front oil
seal.

•

Leakage of crankshaft front oil
seal.

•

Leakage at the cylinder head
cover gasket.

•

Damage of the cylinder head
gasket.

•

Stuck piston ring.

•

Worn piston or cylinder.

•

Worn piston ring or ring groove.

•

Inadequate position of the piston
ring cutting part.

•

Abrasion or damage of the valve
system.

•

Inadequate oil viscosity.

•

Loosening of the oil pressure
switch.

•

Lack of engine oil.

•

Blocking oil strainer.

•

Lowered function of the oil
pump.

•

Abrasion or damage of the oil
pump relief valve.

Correction

•

Refer to “Compression Pressure
Test”.

•

Repair or replace the fuel tank or
the fuel pipe

•

Adjust the ignition timing.

•

Replace the plug.

•

Connect the cable normally or
replace it.

•

Repair the thermostat.

•

Repair or replace the valve.

•

Adjust the pressure of tires.

•

Tighten the plug.

•

Tighten the bolt. Engine Oil

•

Tighten the filter.

•

Tighten the switch.

•

Replace the seal.

•

Replace the seal.

•

Replace the gasket.

•

Replace the gasket.

•

Remove carbon and replace the
ring.

•

Replace the piston or the
cylinder.

•

Replace the piston or ring.

•

Adjust the position.

•

Replace the valve system.

•

Replace with the specified one.

•

Tighten the switch.

•

Refill oil.

•

Clean the strainer.

•

Replace the pump.

•

Replace the valve.

Condition

GENERAL DIAGNOSIS (Cont’d)

Decline of
Compression
Pressure

Poor Fuel
Consumption

Malfunction of
Fuel System

Low Oil
Pressure

Malfunction of
Ignition System

Malfunction of
Cooling System

Oil Mixing in
Combustion
Chamber

Others

Malfunction of
Lubrication
System

Excessive
Consumption of
Engine Oil

Leakage of
Engine Oil