The content of CO and CH in the exhaust gases of vehicles with a mileage of up to 3000 km is regulated by the technological standards of manufacturers.
For vehicles not equipped with a catalytic converter, the maximum allowable content of CO and CH in the exhaust gases is indicated in Table. 1* (tab. 16.1).
For vehicles equipped with a catalytic converter, the maximum allowable content of carbon monoxide and hydrocarbons in the exhaust gases is given in Table. 2* (tab. 16.2).
* Tables are abbreviated.
The value of the rotational speed is set by the manufacturer in the technical specifications and operating instructions. If it is not set, then it is accepted
nmin= (800±50) min–1, npov= (3000±100) min–1.
In accordance with the amended version of clause 1.3 of GOST, in excess of the norms indicated in Table. 16.1, 16.2, the car is considered technically defective and is not subject to operation until the elimination of this malfunction.