Roewe i5 is not ideal after ventilation.

1, the valve is dirty, the valve is cleaned, or the quality of the spark plug is defective, so replace the spark plug; 2. The idling speed of automobile oil to gas is unstable. From automobile oil to gas device, it may be the quality problem of electronic control system, pressure reducer and fuel injection rail. 3. The idling speed of automobile oil changed to gas is unstable. Technically speaking, it may be that the nozzle hole is too large or too small, and the electronic control system and pressure reducer control the injection timing and injection quantity inaccurately.