2024 Nissan Pathfinder Has Rough Idle

Diagnosing Causes of Rough Idle in Your 2024 Nissan Pathfinder and Solutions for a Smoother Ride

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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 2024 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 2024 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.

Brake caliper failure occurs in two different ways, and they create different symptoms.

The caliper can become stuck, in which case it won't release the brake pads. The seized caliper will cause the vehicle to brake constantly on one side, forcing the car to move toward that side. This pulling will be accompanied by a strong odor from one wheel.

Another way calipers fail is by leaking. If the caliper leaks, the brake pedal will feel too easy to push, and will sink all the way to the floor when held. Braking will become less effective the longer this goes on. There may also be brake fluid leaking onto the wheel.

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.

Brake rotors are mainly maintenance free, but when they have been subjected to abnormally hard use, the heat they absorb can cause the metal to turn blue, and cracking to occur. When this occurs, customers often specify they have lost braking power, or the vehicle's brakes are making noise. There may be no symptoms at all related to changing the brake rotors, since it is recommended to change brake rotors on most modern vehicles when performing a standard brake service.

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 2024 Nissan Pathfinder?

When faced with a rough idle in your 2024 Nissan Pathfinder, start by checking the spark plugs, as they are crucial for proper engine performance. Worn or damaged spark plugs can lead to misfires, resulting in an uneven idle. Next, inspect the air filter; a clogged filter can restrict airflow, negatively impacting engine efficiency. If these components are in good condition, turn your attention to the fuel system. Ensure that the fuel injectors, fuel filter, and fuel pump are functioning correctly, as any issues here can contribute to rough idling. Utilizing an OBD-II scanner is also beneficial; it can reveal error codes that point to specific problems within the engine. Additionally, examine the vacuum hoses for any signs of wear or leaks, as these can disrupt the air-fuel mixture and affect idle quality. Finally, don’t overlook the throttle body; cleaning it of any carbon buildup can enhance its performance and improve idle stability. By systematically addressing these areas, you can effectively diagnose and potentially resolve the rough idle issue in your Pathfinder.

What are the common causes of a rough idle in a 2024 Nissan Pathfinder?

When dealing with a rough idle in your 2024 Nissan Pathfinder, it's essential to understand the common problems that could be causing this frustrating issue. One of the first things to check is the air filter; a dirty or clogged air filter can significantly restrict airflow to the engine, leading to performance issues. Additionally, inspect the spark plugs, as worn or faulty plugs can result in misfiring, which is a primary contributor to a rough idle. Another critical area to examine is the vacuum system for any leaks, as these can disrupt the air-fuel mixture and negatively impact engine performance. Fuel system components, including the fuel filter and injectors, should also be assessed, as clogs can hinder fuel delivery. Furthermore, the mass airflow sensor plays a vital role in regulating air intake; if it's malfunctioning, it can lead to improper readings and engine performance issues. Lastly, don't overlook the EGR valve, as a faulty valve can disrupt exhaust gas recirculation, affecting combustion and contributing to a rough idle. By systematically checking these components, you can identify and address the root cause of the rough idle, ensuring your Pathfinder runs smoothly.

How urgent is it to address the rough idle in my 2024 Nissan Pathfinder?

Addressing a rough idle in your 2024 Nissan Pathfinder should be treated with a sense of urgency, as neglecting this symptom can lead to more severe engine issues and costly repairs. A rough idle often indicates underlying problems such as faulty spark plugs, fuel system malfunctions, or air intake issues, which, if left unaddressed, can result in decreased fuel efficiency and engine misfires. Moreover, these issues can escalate, potentially causing significant damage to engine components over time. For DIY enthusiasts, it’s crucial to recognize that while a rough idle may not seem like an immediate emergency, timely intervention through regular maintenance and repairs can prevent more serious complications. By addressing the rough idle promptly, you not only enhance your vehicle's performance but also safeguard against future expenses, making it a wise choice for any Pathfinder owner.

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