Minor adjustments
- battery maintenance,
- liquid level control,
- belt tension adjustment,
- replacement of spark plugs,
- inspection of the distributor cap and rotor, high-voltage wires,
- idle speed adjustment
- air filter inspection
- replacement of rubber hoses.
Major adjustments
- EGR system control,
- control of the ignition system,
- charging system control,
- fuel system control
- replacement of the air filter, distributor cap and high-voltage wires.