2015 Acura RDX Engine Is Stalling

Common Causes of Engine Stalling in Your 2015 Acura RDX and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 2015 Acura RDX 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 2015 Acura RDX 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 potential causes and diagnostic steps for a 2015 Acura RDX engine stalling?

When troubleshooting engine stalling in a 2015 Acura RDX, it's essential to adopt a systematic diagnostic approach that prioritizes simpler issues before delving into more complex problems. Start by checking for any warning indicators, such as the check engine light, which can provide valuable error codes to guide your investigation. Next, inspect the fuel system components, including the fuel pump, filter, and injectors, as these are common culprits for stalling. Following this, examine the ignition system, focusing on the ignition coil and spark plugs, as wear or malfunction here can disrupt engine performance. It's also crucial to assess the airflow system for any blockages and ensure the mass airflow sensor is functioning correctly. Additionally, scan for electrical issues by testing sensors and wiring, as well as checking the battery's health. Don't overlook the possibility of vacuum leaks, which can be identified using a smoke machine or soapy water. Lastly, monitor the engine temperature to rule out overheating as a contributing factor. By methodically addressing these areas, you can effectively diagnose and resolve the stalling issue in your Acura RDX.

What are the common problems that could cause the engine to stall in a 2015 Acura RDX?

When dealing with engine stalling in a 2015 Acura RDX, it's essential to understand the common problems that could be at play. One of the primary culprits is a faulty ignition switch, which can interrupt the electrical flow necessary for engine operation. Additionally, issues within the fuel system, such as a clogged fuel filter or a failing fuel pump, can hinder fuel delivery, leading to stalling. Another area to check is the airflow sensor; if it malfunctions, it can disrupt the air-fuel mixture, causing the engine to stall. Worn or faulty spark plugs may also contribute to misfiring, resulting in stalling episodes. Furthermore, a malfunctioning throttle body, often affected by carbon buildup, can impede air intake, while problems with the Engine Control Module (ECM) can lead to unexpected stalling. For those looking to troubleshoot these issues themselves, inspecting these components can provide valuable insights into the root cause of the stalling problem. However, if the issue persists, consulting a qualified mechanic is advisable for a thorough diagnosis and repair.

How urgent is it to address the engine stalling issue in a 2015 Acura RDX?

Addressing the engine stalling issue in your 2015 Acura RDX is not just a matter of convenience; it is a critical safety concern that demands immediate attention. Engine stalling can lead to a sudden loss of power while driving, increasing the risk of accidents and leaving you vulnerable on the road. This problem is not uncommon among Acura RDX owners, and delaying repairs can exacerbate the situation, potentially resulting in more severe mechanical failures and costly repairs. By prioritizing the diagnosis and resolution of the stalling issue, you not only safeguard your own safety and that of your passengers but also protect your vehicle from further damage. Therefore, if you experience any signs of engine stalling, it is essential to consult a qualified mechanic without delay to ensure the safe and reliable operation of your vehicle.

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