How to know the differences between good Engine Oil and Bad Oil.
1. Check Engine Oil Colour Goldish Good ,Black -Bad for engine
2. Check the oil dripping (the slow it drop the more the quality the faster the dripping the less the quality
3. Feel the oil by touching(The More sticky it feel the more the viscosity the better the quality
4. Check Service card( over 1000km/621.3miles -change oil
