问：车辆需要调整

Some signs that a tune up is needed include, rough engine idle, hesitation during acceleration, and poor fuel economy. A tune up on your particular vehicle would include spark plugs and an induction service. The induction service would remove the carbon build-up inside your intake manifold, throttle body, and valves. The new spark plugs would provide your engine with a strong spark to increase combustion in the engine, giving you more throttle response and a smooth idle. Manufacturers have set forth replacement guidelines based on mileage, but if you are experiencing any of the mentioned issues, it may be收听时间。