Check the condition and level of all fluids in the engine.
Clean, inspect and test the battery.
Check the condition and tension of all belts.
Replace spark plugs.
Check the compression in the cylinders.
Check the ignition distributor cover and slider.
Check high voltage wires.
Check the condition of the air filter and crankcase ventilation valve.
Bottom view of the front of a car with a 4x4 wheel formula and a V6 engine
1. Pendulum lever (with oiler); 2. Lower radiator hose; 3. Belt; 4. Tie rod end; 5. Ball joint; 6. Caliper; 7. Brake hose; 8. Case
Bottom view of the rear of a car with a 4x4 formula and a 4-cylinder engine
1. Brake pressure regulator; 2. Fuel and ventilation ducts; 3. The lever of the left torsion bar; 4. Transfer box and shield; 5. Front propeller shaft; 6. Cardan joint
4.4a. Dipstick location on 4x4 vehicles
1. Add
2. Normal level
Check and adjust ignition timing and idle speed.
Replace fuel filter.
Check the condition of the cooling system. Adjust valve clearances.
If the above measures do not give a result, then perform the following operations.
Check the recirculation system.
Check the battery charging system.
Check fuel system and ignition system
Replace high-voltage wires, a cover and a runner of the distributor of ignition.