Geely Diagnosis Flow. Manual part — 11

41

No. 024 Oil indicator is always on

Malfunction Cause

Solution

Low oil quantity results low oil pressure

Fill oil to standard level

Low oil viscosity or oil deteriorated

Replace required oil

Oil pressure switch damage

The inner conducting point of oil pressure
switch burnt seriously and results short circuit.
Replace oil sensing plug.

Oil indicator circuit leads to earth partly

The wire between oil sensing plug and grouped
instrument partly leads to earth at front wall,
and results oil indicator lightening constantly
after circuit lead to earth.

Grouped instrument inner short circuit

Replace grouped instrument

Low oil pressure

Maintain oil pump and oil pipe, whether it is
blocked. Unplug it when necessary. Check oil
leaking condition and maintain it.

Large engine liner clearance, which results low oil pressure

Large clearance results oil leaking and low oil
pressure. Normal value shall be 49kPa.
Replace relevant component.

Instrument
warning
lamp is
always on
after engine
started

Oil pipe leaking

Maintain or replace relevant component.

Oil indicator is always on

Low oil quantity results low oil pressure

Low oil viscocity or oil deteriorated

Oil pressure switch damage

Grouped instrumernt inner short circuit

Oil indicator circuit leads to earth partly

Low oil pressure

Large engine liner clearance, which results low oil pressure

Oil pipe leaking

Check

Check

Check

Replace

Fill

Replace

Replace

Check

Low

Earth lead

Short circuit

Damage

Deteriorate

Large clearance

Leak

Low

Normal

Normal

Normal

Normal

Normal

Normal

Normal

42

No. 025 Water temperature is over normal value when engine running with large load

Malfunction Cause

Solution

Lack of coolant fluid

Fill non-standard anti-freeze fluid

Replace standard anti-freeze fluid

Fuel grade against requirement

Apply specified fuel

Low thermostat open travel

Thermostat shall be fully opened when water temperature
reaches 82 , otherwise, replace it.

℃

Water pump belt loose

Adjust tension rate

Radiator is too dirty inside or outside, and results
low cooling performance, as well as water
temperature increased.

Clean radiator, the dirt and water mark, replace water
tank when necessary.

Radiator fun operates abnormal (low speed or
fails to work sometimes)

Maintain fan circuit and replace fan.

Improper ignition timing

Adjust timing

Engine water pipe rust

Clean rust

Engine mixed gas is too thick

Engine oxygen sensor damaged and results mixed gas
viscosity misadjusted.

Improper piston fit clearance

Low cylinder pressure, maintain it. Low clearance often
caused by applying non-standard piston, replace and
reassemble with proper piston.

Water
temperature
is over normal
value when
diving in high
speed, and is
normal in low
speed.

Cylinder bolt loose or cracked

43

Water temperature is over normal value when engine running with

large load

Low cooling performance of rediator

Fan operates abnormal

Improper piston fit clearance

Engine mixed gas is too thick

Low thermostat open travel

Water pump belt loose

Engine water pipe rust

Fuel grade againsts requiremen

Check

Check and replace

Replace

Clean

Check and replace

Adjust

Replace

Adjust

Poor

Loose

Too small

Too thick

Abnormal

Rust

Poor

Against

Normal

Normal

Normal

Normal

Normal

Normal

Normal

44

No. 026 Canister electromagnetic valve sounds abnormal

Malfunction Cause

Solution

Canister electromagnetic valve is dirty inside

Clean it with carburetor detergent

Canister electromagnetic valve retaining rubber
seat damage

Replace canister electromagnetic valve retaining rubber
seat and adjust the position, as far as possible with
vehicle body

Serious fuel tank inner vacuum

Replace fuel tank cap

Over adjustment of canister electromagnetic
valve inner tube

Adjust canister electromagnetic valve according to
standard flow rate

Electromagnetic
valve sounds
abnormal when
idling

Serious canister electromagnetic valve wearing

Replace canister electromagnetic valve assembly

Canister electromagnetic valve sounds abnormal

Canister electromagnetic valve is dirty inside

Canister electromagnetic valve retaining rubber seat

damage

Serious fuel tank inner vaccum

Over adjustment of canister solenoid valve inner tube

Serious canister solenoid valve wearing

Replace

Replace

Adjust

Clean and replace

Maintain

Damage

Dirt

Over normal value

Vaccum

Wearing

Normal

Normal

Normal

Normal