Geely CK MR479QA 2007 User Manual

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j. Poor intake and exhaust valve seal, failed piston ring, low compression pressure;
h. Too many carbon deposit in spark plug and combustion chamber;
k. Water temperature switch and thermostat fault;
l. Aging of Oxygon sensor;
m. Incorrect ignition timing;
n. Check valve fault.
Figure 149
Engine is difficult to start
Check whether the air cleaner is clogged
Clogged
Troubleshooting
OK
Check the idle control valve
NG
Repair or replace
OK
Check the fuel pressure
Excessivly low
Service the electric fuel pump,
fuel filter and fuel pressure regulator
OK
Check the vacuum pressure sensor
NG
Replace
OK
Check the water temperature sensor and intake air temperature sensor
NG
Replace
OK
Check the start switch signal
No
Service the start signal wire
OK
Check the ignition timing
Misaligned
Adjust
OK
Check the cylinder pressure
NG
Disassemble the engine
OK
Replace the ECU to retry

Geely CK MR479QA 2007 Specifications

General

Brand	Geely
Model	CK MR479QA 2007
Category	Automobile
Language	English