21 

 

Fuel smelling strong in vehicle 

Fuel pipe leakage 

Fuel tank leakage 

Canister leak or block 

Fuel tank inner pressure abnormal 

Injector leak 

Engine oprates abnormal 

Ignition timing maladjustment 

Canister controlling valve malfunction 

Canister pipe malfunction 

Oxygen sensor 

Replace 

Replace 

Replace 

Check 

Replace 

Check 

Check 

Check 

Check 

Replace or check 

Abnormal 

Leak 

Leak, blocked 

Leak 

Leak 

Abnormal 

Abnormal 

Abnormal 

Abnormal 

Abnormal 

Normal 

Normal 

Normal 

Normal 

Normal 

Normal 

Normal 

Normal 

Normal 

 
 

 

 

22 

 

No. 012 Engine vibration when operating   

Malfunction Cause 

Solution 

Engine operates with unavailable cylinder 

Check cylinder pressure, spark plug, ignition wire and 
valve etc., whether they are abnormal. Replace the 
malfunction part when necessary. 

Incorrect ignition timing 

Adjust ignition time 

Fuel pressure abnormal 

Check electric fuel pump, fuel pressure controller and 
pipes 

Engine fuel grade doesn't in accordance with 

standard 

Replace qualified fuel 

Injector malfunction 

Check injector fuel atomization and pulse width 

Engine shock pad malfunction or mounting 

bracket deformed 

Adjust or replace relevant components 

Cylinder gasket damage 

Replace cylinder gasket 

Clutch operates abnormal 

Maintain or replace relevant components 

Gearbox or vehicle transmission accessories 

damage 

Adjust or replace relevant components 

Engine 
operates 
unstably and 
vibrations, 
when running 
in idle and low 
speed, there 
is tu-tu-tu 
sound in 
exhaust pipe. 

Crank link mechanism malfunction 

According to sound position, maintain relevant 
components 

 
 

 

 

23 

 

Engine vibration when operating 

Engine operates with unavailable cylinder 

Incorrect ignition timing 

Fuel pressure abnormal 

Injector failure 

Cylinder gasket damage 

Engine fuel grade doesn't in accordance with 

standard 

Engine mounting bracket deformed 

Crank link mechanism malfunction 

Clutch operates abnormal 

Gearbox or vehicle transmission accessories 

damaged 

Replace 

Check 

Check 

Check 

Check 

Check 

Check 

Check 

Check 

Check 

Abnormal 

Abnormal 

Abnormal 

Abnormal 

Abnormal 

Abnormal 

Abnormal 

Abnormal 

Abnormal 

Unavailable cylinder 

Normal 

Normal 

Normal 

Normal 

Normal 

Normal 

Normal 

Normal 

Normal 

 
 

 

 

24 

 

No. 013 Engine noise over normal level   

Malfunction Cause 

Solution 

Exhaust system leaking or block 

Maintain leaking components, as well as replace blocking parts. 

Poor fuel quality, which results engine 
operating abnormal 

Replace qualified fuel that match Geely vehicle requirement. 

Engine operates abnormal 

When engine operating with unavailable cylinder, the malfunction 
shall be excluded. When camshaft assembly and gear sound 
abnormally, shall adjust or replace them. As well as the crankshaft 
and piston link mechanism. 

Generator water pump, booster pump 
etc. sound abnormally 

Replace generator, water pump and booster pump assembly. 

Water tank fan and AC fan sound 
abnormally 

Replace relevant components. 

Water temperature over normal value 

Maintain fan and cooling system, whether they operate normally. 

Ignition timing maladjustment 

Maintain or adjust ignition timing. 

Compressing ratio over normal value 

Maintain cylinder capacity, combustion chamber volume, as well as 
the end surface of cylinder block and cylinder head, whether they 
are normal. 

Detonation sensor malfunction 

Maintain mounting condition of sensor and correct the voltage. 

Poor lubrication 

Check oil pressure and quality. 

Engine interferences with relevant 
accessories 

Maintain and exclude the malfunction. 

Engine noise 
over normal 
level, and 
vibration 
when idling 

Intake system leak or block 

Replace relevant components when leaking. Unplug or replace 
them when blocked.