If maintenance and fluid levels are checked regularly after the vehicle is purchased, the engine will be in good condition and the need for additional service will be minimized.
However, it often happens that the engine runs erratically due to a lack of regular maintenance. This case is most likely when buying a used car that has not been serviced regularly. Therefore, engine maintenance is necessary regardless of the maintenance schedule.
The following are the operations that must be performed to restore the normal operation of the engine.
Clean, inspect and test the battery.
Check the levels of all operating fluids.
Check compression.
Check and adjust the tension of the drive belts.
Replace spark plugs.
Check up a condition of a cover and a rotor of the distributor of ignition.
Check the condition of the spark plugs and high voltage wires.
Check and, if necessary, adjust the engine idling speed and the quality of the air-fuel mixture.
Check and adjust the ignition timing.
Replace fuel filter.
Check crankcase ventilation valve PCV.
Check the condition of the cooling system.
In addition, do the following.
Check up functioning of system recirculation of the fulfilled gases EGR.
Check the functioning of the ignition system.
Check the condition and service the battery.
Check the functioning of the power system.