car repairs


Question by  Mudkip (24)

What could be causing my car to rough idle while I am at a stop.

When I come to a stop at a sign or traffic light my car sounds rough.


Answer by  Tim56 (63)

One common thing that could cause this would be faulty/worn down motor mounts. They can cause a rough idle and vibrations through out the car while at a complete stop. You can replace them yourself, but I would recommend having a mechanic do it for you.


Answer by  anukarun (17)

This could be due to misfire in the cylinder. Change the plug coil for that cylinder then the car will run smoothly.


Answer by  peters (296)

In a modern car, rough idle is almost always caused by one of three things. Either it needs a tune up, there is a small vacume leak, or the fuel injectors need cleaned. That is also the most likely order for the problems to occur. Especially if it has never had a tune-up.


Answer by  Huntress (1935)

It sounds as if it is time for a tune-up which is usually why a car has a rough idle. Cars need one at least once a year.

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