6. Rough Idling of the Engine. The rough engine operation at idle speed can also stem from obstruction of the fuel filter. A rough idle is often caused by fuel starvation due to a damaged or severely soiled filter blocking the normal fuel flow and hampering the proper mixture of fuel and air in the engine. More From Doityourself. Electronics monitor and control the vehicle's many systems to make sure everything is working efficiently and safely at all times. Idle stop-start can save you money. Over 10 years, a vehicle with an idle stop-start system can save you $260 to $1,540 and reduce your carbon dioxide (CO 2) emissions by 610 to 3,540 kg. At the high end, this is Disadvantages of Automatic Engine Start/Stop Systems The initial automatic engine start/stop systems that came out about two decades ago were not well-liked by truck drivers. Whenever those systems started and stopped the main engine the noise and vibration could wake a sleeping driver. Idling occurs when a car is running but not moving. This can happen when the car is parked or stopped at a stop light. While idling might seem harmless, it can hurt the environment and your wallet. The environmental impact of idling. When a car is idling, it is still emitting pollutants into the air. Here are some of the advantages and disadvantages of the Toyota Auris: Pros. The following are some merits of the Auris: 1. Excellent Handling. The Toyota Auris promises great handling on the road, thanks to its sturdy structure. Its low ground clearance means the vehicle hugs the road, giving it exceptional balance and stability. 2 Contents 1 History of the technology 2 Operation principle and types 2.1 Advantages and disadvantages 2.2 10 necessary conditions enabling Start-stop operation 2.3 Conclusion SGlCC.

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