Why Does Your Car Shake When Idle?

Why does your car shake when idle? If your car shakes when idling, it’s time to get a diagnosis. That’s because this symptom can have several different causes. A driver in Hamburg might find that their timing belt has worn out, while another driver in East Aurora might have a problem with their fuel intake instead. A good technician can get under the hood and get to the root of the problem, so don’t hesitate to reach out to our service center. But in the meantime, let’s dive into some of the most common reasons your car shakes when in idle.

Reasons Your Car Shakes When Idling

• Clogged Fuel Injectors: High-pressure fuel injectors spray a precise amount of fuel into your engine cylinders, resulting in optimal performance and efficiency. But if this nozzle gets clogged, your fuel may not combust properly – which can lead to a rough idle.
• Broken Motor Mounts: Your motor mounts keep your engine secure as you navigate West Seneca, but these mounts can become worn with time. In some cases, they may break completely. If your car shakes when idling, but stops shaking in neutral, this is likely the case.
• Worn Timing Belt: Your timing belt helps keep your powertrain components in rhythm, but it needs to remain taut to get the job done. A stretched or damaged timing belt can cause inconsistent performance and rough idling, especially in older vehicles.
• Faulty Spark Plugs: Spark plugs are responsible for providing the spark in a combustion engine, and over time, they can become less effective. Most drivers can change their spark plugs every 30,000 to 50,000 miles, but you may need to replace them early if your car shakes when in idle.
• Oxygen Sensor: The oxygen sensor measures the amount of oxygen in the exhaust system, which is used by the vehicle’s computer. If the oxygen sensors become dirty or damaged, it will give the wrong information to the computer and can cause problems with the engine. This leads to vibrations or rough idles.

Get Quality Car Care at Robert Basil Cadillac

Why does your car shake when idle? Robert Basil Cadillac would love to help. We’ll tell you why your car shakes when in idle, and we’ll fix the problem for good. You can feel free to contact us with any questions about car care in Orchard Park, or just schedule your appointment today. If you’d prefer, you can even schedule service pick-up with delivery for your convenience.