2013 Nissan Pathfinder Has Rough Idle

Troubleshooting Causes of Rough Idle in Your 2013 Nissan Pathfinder and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 2013 Nissan Pathfinder 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 2013 Nissan Pathfinder 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.

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 2013 Nissan Pathfinder?

When addressing a rough idle in your 2013 Nissan Pathfinder, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex issues. Start by using an OBD-II scanner to check for any fault codes, as these can quickly point you toward specific problems within the engine. 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 proper airflow. Additionally, examine the vacuum hoses for leaks, which can disrupt the air-fuel mixture and lead to idle instability. Don't overlook the fuel system; check the fuel filter and injectors to ensure they are functioning correctly. Finally, consider the throttle body, as a buildup of dirt can affect idle quality. By following this structured approach, you can effectively identify and address the root causes of a rough idle, ensuring your Pathfinder runs smoothly.

What are the common causes of a rough idle in a 2013 Nissan Pathfinder?

When dealing with a rough idle in your 2013 Nissan Pathfinder, it's essential to understand the common problems that could be at play. Start by checking the air filters; if they are dirty or clogged, they can significantly restrict airflow to the engine, leading to an uneven idle. Next, inspect the spark plugs and ignition coils, as faulty components here can cause misfiring, which directly affects engine performance. Additionally, examine the fuel system for any blockages, such as a clogged fuel filter or issues with the fuel pump, as these can disrupt the necessary fuel delivery. Don't overlook the possibility of vacuum leaks in the intake system, which can create an imbalance in the air-fuel mixture, further contributing to a rough idle. Lastly, consider the EGR system; problems here can also impact how smoothly your engine runs at idle. By systematically addressing these areas, you can effectively diagnose and potentially resolve the rough idle issue in your Pathfinder, ensuring a smoother driving experience.

How urgent is it to address the rough idle in a 2013 Nissan Pathfinder?

Addressing a rough idle in your 2013 Nissan Pathfinder is not just a matter of comfort; it is crucial for the vehicle's overall health and performance. Ignoring this symptom can lead to a cascade of problems, including decreased fuel efficiency and diminished engine performance. More critically, a rough idle may indicate underlying issues with the fuel or ignition systems, or even malfunctioning sensors, which could escalate into more severe engine damage if left unattended. The urgency of resolving this issue cannot be overstated, as neglecting it may not only compromise your vehicle's reliability but also pose safety risks on the road. Regular maintenance and prompt repairs are essential to ensure that your Pathfinder operates smoothly and efficiently, ultimately prolonging its lifespan and enhancing your driving experience. Therefore, if you notice a rough idle, it is advisable to take action sooner rather than later to avoid costly repairs and ensure your vehicle remains in optimal condition.

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