Roewe 750 is idle sometimes.

Hello, I have the following questions. First, the throttle is dirty and needs to be cleaned and matched. Second, the vacuum tube is leaking. Check it. Three. Nozzle oil leakage or insufficient oil pressure. Four. The air temperature sensor of the water temperature sensor is invalid and damaged; 5. The carbon canister solenoid valve is damaged; 6. The spark plug did not ignite correctly. It is recommended to go to the maintenance point to check these aspects. I hope I can help you. If there is something wrong with the car, ask the car master. 4S shop professional technician, 10 minutes to solve.