Why the cause of white smoke can be determined by oil loss via the valve guides
(1) The negative pressure of the intake manifold is high when the engine is idle, so oil is sucked into the combustion chamber (more…)
troubleshooting
How to Diagnose your Vehicle if The Brakes is not working properly?
Poor braking effectiveness indicates not only the case where the brake does not operate at all even when the brake pedal is depressed, but also the case where the brake effectiveness is weak against the (more…)
How to Diagnose your Vehicle if The Break Squeaks?
What is brake squeaking?
Brake squeaking is a vibrated symptom caused by the friction between the pads and rotor. This vibration is transmitted as a sound. This symptom is referred to as “self-excited (more…)
How to Diagnose your Car if Vehicle Pull Occurs?
The cause of vehicle pull is sometimes on the vehicle side and sometimes due to the road conditions or customer’s habitual usage. When performing troubleshooting for vehicle pull, it is important to understand (more…)
How to Diagnose your Vehicle if The Engine Produce Abnormal Sounds? 2 of 2
Abnormal Sound and Noise Caused by Abnormal Combustion
3. After fire
Air fuel mixture is discharged without completely being combusted inside the combustion chamber. This unburned gas is retarded in (more…)
How to Diagnose your Vehicle if The Engine Produce Abnormal Sounds? 1 of 2
Mechanically Abnormal Sound and Noise
The engine consists of many parts, and each part operates by a sliding or rotational movement. The portion that slides or moves by rotational movement has clearance (more…)
How to Diagnose your Vehicle if the Oil Consumtion Increase?
The amount of engine oil absolutely reduces by running. The passages into which the engine oil flows to lubricate each part of engine consists of the passage to the oil pan and to the combustion chamber (more…)
How to Diagnose your Vehicle if the Fuel Consumtion Increase? 2of 2
Customer Usage?
1. Warming up and running distance
A long period of warm-up will waste the fuel. When the engine is cold, more fuel is required and the idling speed is high due to fast idling. Based (more…)
How to Diagnose your Vehicle if the Fuel Consumtion Increase? 1of 2
Increased fuel consumption frequently is a result of the vehicle usage and road conditions rather than vehicle malfunction. Therefore, it is important to accurately understand the customer’s habitual usage (more…)
Automotive Malfunction Areas and Symptom Appearances
Malfunction areas in Turbocharger/ Supercharger
Due to insufficient boost pressure, insufficient power is felt when vehicle starts or a heavy load is applied.
When sudden accelerating without load, diesel (more…)