2019 INFINITI QX60 Engine Is Stalling

Troubleshooting Causes of Engine Stalling in Your 2019 INFINITI QX60 and How to Resolve Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Fuel System
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15% chance it's the
Air Intake System
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55% chance it's
Something else
The most common reasons a 2019 INFINITI QX60 engine is stalling are the fuel system, the air intake system, or the ignition system.
  • Fuel System: A clogged fuel filter or failing fuel pump can restrict fuel flow, resulting in poor engine performance and starting issues.
  • Air Intake System: A dirty or damaged air filter or a malfunctioning mass airflow sensor can restrict airflow, leading to reduced engine performance and efficiency.
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 2019 INFINITI QX60 engine is stalling?

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.

If the MAF sensor sends an erroneous signal, a few things happen. The engine's computer will trigger the check engine light, and the on-board diagnostic (OBD) trouble codes will reflect the airflow discrepancy noted by the MAF sensor. Depending on the reported volume of air, the engine may try to compensate for these conditions, causing the engine to burn excessive amounts of fuel and emit black smoke from the exhaust. In this case, the OBD trouble codes would also reference faults recognized by the exhaust oxygen sensors. The engine may also have issues with idling roughly, failing to start, stalling, hesitation, power loss, misfires, and fuel consumption.

»MORE: Signs of a failing mass airflow sensor

A faulty oxygen sensor is one of the most common causes of a check engine light. Symptoms may include a decrease in fuel mileage, hesitation or misfiring from the engine, rough idling or even stalling. A faulty sensor may cause the vehicle to fail an emissions test.

Any time there is an emissions fault the check engine light will be displayed. The purpose of the check engine light is to inform the driver that an emission related fault has been found, and that there are on-board diagnostic (OBD) trouble codes stored in the powertrain or engine control module. Additionally, since the emissions systems are so intertwined into engine control and transmission control systems, symptoms may include nearly any sort of drivability concerns. This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other drivability issues.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What are the initial diagnostic steps to take when a 2019 INFINITI QX60 engine is stalling?

When your 2019 INFINITI QX60 experiences engine stalling, it's essential to adopt a methodical diagnostic approach to identify the root cause effectively. Start by checking for error codes using an OBD-II scanner, as these codes can pinpoint specific issues within the vehicle's systems. Next, inspect the fuel system, ensuring that the fuel pump, filter, and injectors are functioning correctly and that clean fuel is reaching the engine. Following this, examine the ignition system components, including spark plugs and ignition coils, since any malfunction here can lead to stalling. Additionally, evaluate the air intake system for obstructions or leaks that could disrupt the air-fuel mixture, which is crucial for optimal engine performance. Don't overlook the battery and charging system; a weak battery can lead to electrical problems that may cause stalling. Lastly, check for vacuum leaks in the hoses and lines, as these can significantly affect engine operation. By systematically addressing these areas, you can effectively troubleshoot and resolve the stalling issue in your vehicle.

What are the common problems that could cause the engine to stall in a 2019 INFINITI QX60?

When dealing with engine stalling in a 2019 INFINITI QX60, it's crucial to understand the common problems that may arise. One significant issue is fuel pump failure, which can prevent the engine from receiving the necessary fuel, leading to stalling. Additionally, a malfunctioning ignition system, including faulty spark plugs or ignition coils, can disrupt the engine's ability to maintain combustion. Another potential culprit is a faulty airflow sensor, which can throw off the air-fuel mixture, causing the engine to stall unexpectedly. Clogged or dirty fuel injectors can also hinder fuel delivery, exacerbating stalling issues. Furthermore, a malfunctioning throttle body can restrict air intake, impacting engine performance. Lastly, electrical problems, such as a failing battery or alternator, can lead to insufficient power for the engine to operate smoothly. By being aware of these common issues, DIYers can take proactive steps to troubleshoot and resolve stalling problems, ensuring their vehicle runs efficiently.

How urgent is it to address the engine stalling issue in a 2019 INFINITI QX60?

Addressing the engine stalling issue in a 2019 INFINITI QX60 is of utmost urgency due to the significant safety risks it poses. Stalling can occur unexpectedly, leading to a sudden loss of power and control, which can be particularly dangerous in high-traffic situations or at high speeds. Ignoring this problem not only increases the likelihood of accidents but can also result in further damage to the engine and related components, leading to more extensive and costly repairs down the line. Regular maintenance and prompt attention to any stalling symptoms are essential for ensuring the vehicle's performance and longevity. Therefore, it is crucial for owners to prioritize this issue to maintain both their safety and the reliability of their vehicle.

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