2018 Nissan NV200 Has Rough Idle

Troubleshooting Causes of Rough Idle in Your 2018 Nissan NV200 and How to Resolve Them

Find Repair Location
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 2018 Nissan NV200 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 2018 Nissan NV200 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 steps to diagnose a rough idle in a 2018 Nissan NV200?

To effectively diagnose a rough idle in a 2018 Nissan NV200, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by using an OBD-II scanner to identify any fault codes, as these can pinpoint specific issues within the vehicle's systems. Next, inspect the spark plugs for wear or fouling, as these components play a crucial role in engine performance. A clean air filter is also vital; ensure it is free from dirt and debris to maintain optimal airflow. Following this, examine the fuel system, including the fuel filter and injectors, for any blockages or malfunctions that could disrupt fuel delivery. Don’t overlook the vacuum hoses, as leaks can significantly impact engine performance; replace any damaged hoses you find. Cleaning the throttle body is another important step, as carbon buildup can hinder airflow and contribute to rough idling. Finally, test the mass airflow sensor to ensure it is functioning correctly, as a faulty sensor can disrupt the air-fuel mixture. By following this structured diagnostic approach, you can effectively identify and resolve the causes of a rough idle in your NV200.

What are the common problems that could cause a rough idle in a 2018 Nissan NV200?

When dealing with a rough idle in your 2018 Nissan NV200, it's crucial to understand the common problems that could be at play. One of the first areas to check is the air filter; a dirty or clogged filter can significantly restrict airflow, disrupting the air-fuel mixture and leading to an unstable idle. Additionally, inspect the spark plugs, as worn or faulty plugs can cause misfiring, which is a frequent culprit behind rough idling. Another potential issue is vacuum leaks, which can throw off the air-fuel ratio and result in erratic engine behavior. Don't overlook the fuel system; a clogged fuel filter or a malfunctioning fuel pump can hinder engine performance and contribute to a rough idle. Furthermore, the mass airflow sensor (MAF) plays a vital role in regulating the engine's air intake, and any malfunction here can lead to an improper air-fuel mixture. Lastly, the throttle body should be examined, as dirt or malfunction can impede airflow into the engine. By systematically checking these components, you can identify and address the root cause of the rough idle, ensuring your NV200 runs smoothly.

How urgent is it to address the rough idle in a 2018 Nissan NV200?

Addressing a rough idle in your 2018 Nissan NV200 should be treated as a priority due to the potential risks and complications that can arise from ignoring this symptom. A rough idle often indicates underlying engine issues, such as dirty fuel injectors or faulty spark plugs, which can progressively worsen if left unattended. This neglect can lead to decreased fuel efficiency and overall vehicle performance, ultimately resulting in more costly repairs down the line. Moreover, a rough idle can compromise your vehicle's safety, as it may affect acceleration and handling. Therefore, it is crucial to diagnose and resolve the issue promptly to ensure your NV200 operates smoothly and reliably, safeguarding both your investment and your safety on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.