Tune up?

How do I know when I need tune up because when my civic idles it shakes and vibrates in the inside, but when its warmed up its fine and also the steering wheel shakes a lot when it idles too.


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What's your gas mileage like? How does the car drive in gear? Does it hesitate or bog?

I don't think shaking or vibrating has anything to do with a tune-up. My car does it too but only because it's old and worn. The plastics rattle, exhaust rattles, etc.


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most nice mechanics place will look over the car and tell you whats going on and then you can get a better idea of whats going on with your car.