Manual

Engine Maintenance And Servicing Manual
(4). Intake valve sealing not well Check and service
(5). Intake manifold or connecting hose vacuum leakage Check and service
14. Oil pressure warning light is illuminated during engine running.
Cause Correction
(1). Engine oil level too low or not correct Fill in engine oil or apply correct engine oil
(2). Oil pressure warning light woks abnormally Replace Oil pressure warning light
(3). Engine temperature too high See No. 17.
(4). Engine bearing or fuel pump worn out Check, service or replace
(5). Oil collector blocked or loose Clean or replace or tighten
15. Pre-ignition.
Cause Correction
(1). Too much carbon deposits in Spark plug or
combustion chamber Clean carbon deposits
16. Engine noise.
(1). Preignition or knocking occurs during accelerating or under heavy load
Cause Correction
a. Incorrect ignition timing Check ‘teeth’ belt tension, tension pulley or distributor
b. Intake manifold or connecting hose vacuum leakage Check and service
c. Too much carbon deposits in Spark plug or combustion
chamber carbon severely Clean carbon deposits
(2). Whistle noise:
Cause Correction
a. Intake manifold sealing gasket leaks Replace sealing gasket or tighten bolts
b. Exhaust manifold sealing gasket leaks or Replace sealing gasket or tighten bolts
exhaust pipe sealing gasket leaks
c. Vacuum hose leaks Replace
d. Cylinder head gasket burned badly Check and replace
(3). Knocking or spanking noise
Cause Correction
a. Hydraulic valve lifter works abnormally Check and replace
b. Valve mechanism or camshaft worn out Check and service
c. Timing belt or tension pulley worn out Replace
d. Abnormal accessories ie. alternator or water pump Check, service and replace
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