Checking the composition of the exhaust gases

This check, despite the need to use a special gas analyzer, is included by the Skoda car manufacturer in the routine maintenance of the vehicle. However, the compilers of this Guide believe that an urgent need to determine the composition of the exhaust gases arises only if there are suspicions of violations taking place. Idle mixture adjustment requires special equipment. Strictly speaking, checking the composition of exhaust gases is one of the mandatory procedures for technical inspection of a car.