2014 Nissan Versa Note Has Rough Idle

Common Causes of Rough Idling in Your 2014 Nissan Versa Note and How to Resolve Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
21% chance it's the
Spark Plugs
0%
15% chance it's the
Ignition Coil
0%
64% chance it's
Something else
The most common reasons a 2014 Nissan Versa Note has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
  • Spark Plugs: Worn or fouled spark plugs can lead to misfires, poor fuel economy, and difficulty starting the engine.
  • Ignition Coil: A faulty ignition coil can cause misfires, rough idling, and difficulty starting the engine due to inadequate spark delivery to the spark plugs.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2014 Nissan Versa Note has rough idle?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Here are a few common symptoms of worn-out brake pads:

  1. Low brake pad warning light is on: Not all vehicles are equipped with this system, but if yours is, this dashboard indicator light will likely be the first signal it’s time to replace your brake pads.
  2. Brakes start to squeal regularly: This is often one of the first signs of worn brake pads and is caused by a metallic piece built into brake pads for this exact purpose. This part contacts the brake rotor to make a squealing or whining noise when the pads are low.
  3. Brakes make loud grinding noise: If not addressed early enough, your brake pads may get so worn that the metal backing plate of the pad grinds against the metal rotor.
  4. Brake pads look thin: You may be able to visually check your brake pad thickness to determine if they need replacement.

Customers with drum brake systems often specify they have lost braking power, or that the vehicle's brakes are making noise. This is because brake drums do not dissipate heat very well, so the heat from hard braking will cause stress fractures. These fractures make can make noise on the brake shoes as the drum revolves around the shoes. Lastly, the brake shoes may not be problematic, but may cause a grinding noise while stopping. This would indicate the shoes have no braking material left, and the brake shoes must be changed before the vehicle can be safely driven.

Learn more about brake shoe symptoms

Most often, a brake system inspection will just be a routine portion of manufacturer specified maintenance, and will be performed at mileage intervals. In those cases, there will likely be no symptoms. However, when a brake system makes a funny noise, causes vibration, is hard to use, will not slow the vehicle, prevents the vehicle from driving, makes the vehicle pull to one side, or leaks brake fluid, the vehicle will need a visit dedicated to the inspection of the brake system.

What are the initial diagnostic steps to take for a rough idle in a 2014 Nissan Versa Note?

When faced with a rough idle in your 2014 Nissan Versa Note, it's essential to adopt a systematic diagnostic approach to identify the root cause effectively. Start by checking for fault codes using an OBD-II scanner, as these codes can reveal specific issues within the engine's systems. Next, inspect the spark plugs for wear or fouling, as they play a crucial role in engine performance; replacing damaged plugs can often resolve idle problems. Don't overlook the air filter; a clogged filter can restrict airflow, so ensure it is clean and replace it if necessary. Additionally, examine the vacuum hoses for any leaks or disconnections, as these can significantly impact engine performance. It's also wise to assess the fuel system, including the fuel filter and injectors, to ensure they are functioning correctly. Lastly, inspect and clean the throttle body, as a dirty throttle can lead to irregular idling. By following these steps, you can effectively diagnose and address the rough idle issue, potentially saving time and money on repairs.

What are the common causes of a rough idle in a 2014 Nissan Versa Note?

When dealing with a rough idle in your 2014 Nissan Versa Note, it's essential to understand the common problems that could be at play. One frequent culprit is a dirty or clogged air filter, which can significantly restrict airflow to the engine, leading to performance issues. Additionally, faulty spark plugs are notorious for causing misfires, which can manifest as a rough idle. Another area to inspect is the vacuum system; any leaks can disrupt the delicate air-fuel mixture, resulting in an unstable idle. Fuel system problems, such as a clogged fuel filter or a malfunctioning fuel pump, can also hinder engine performance and contribute to rough idling. Furthermore, a malfunctioning mass airflow sensor can throw off the air-fuel balance, exacerbating the issue. Lastly, don't overlook the Exhaust Gas Recirculation (EGR) valve, as a faulty EGR can interfere with the combustion process, leading to an uneven idle. By addressing these common issues through regular maintenance and timely repairs, you can restore your Nissan Versa Note's performance and enjoy a smoother driving experience.

How urgent is it to address the rough idle in a 2014 Nissan Versa Note?

Addressing a rough idle in your 2014 Nissan Versa Note is not just a matter of comfort; it is crucial for the overall health of your vehicle. Ignoring this symptom can lead to a cascade of problems, including decreased fuel efficiency and engine misfires, which may escalate into more severe engine damage over time. A rough idle often indicates underlying issues such as dirty fuel injectors, a clogged air filter, or malfunctioning spark plugs, all of which can compromise your engine's performance. Moreover, neglecting these symptoms can pose safety risks, as an unstable engine can lead to unpredictable vehicle behavior. Therefore, it is essential to diagnose and resolve the cause of a rough idle promptly to maintain your vehicle's efficiency and longevity, ensuring a safer driving experience.

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