From the exhaust pipe to determine the car really, false fault

Cause Analysis: indicates that the mixture is too thick and the combustion is incomplete. The main reason is the car engine overload, lack of cylinder pressure, the engine temperature is too low, improper adjustment of the carburetor, air filter blockage, the individual cylinder does not work and ignition too late. When Turbocharger the exclusion, it should promptly check the choke is fully open, if necessary, overhaul; stalled from the carburetor mouth to see the main nozzle, if the oil injection or drip, the float room oil is too high, should be adjusted to the specified range , Tighten or replace the main hole; air filter plug, should be cleaned, dredge or replacement.
The exhaust pipe of the vehicle discharges blue smoke --- real fault
Analysis of reasons: is due to a large number of oil into the cylinder, but can not be completely caused by combustion. Remove the spark plug, you can find a serious coke phenomenon. Check whether the oil level is too high; cylinder and piston clearance is too large; whether the piston ring is installed; inlet valve wear or sealing ring is damaged; cylinder pad is ablated, if necessary, should be repaired.
Vehicle exhaust pipe to take white smoke, cold when serious, hot car after the white smoke did not take a fake fault.
Cause Analysis: This is because the gasoline contains water, and the engine is too cold, then enter the cylinder fuel is not completely burned to produce fog or water vapor to produce white smoke. Winter or rainy season When the car starts for the first time, you can often see white smoke. It does not matter, once the engine temperature increases, white smoke will disappear. This condition does not need to be overhauled