2013 Buick Regal Engine Is Stalling

Common Causes of Engine Stalling in Your 2013 Buick Regal 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 2013 Buick Regal 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 2013 Buick Regal 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 2013 Buick Regal's engine is stalling?

When faced with an engine stalling issue in a 2013 Buick Regal, it's essential to adopt a systematic diagnostic approach to identify the underlying cause. Start by checking the fuel system, as inadequate fuel delivery can lead to stalling; inspect the fuel pump, filter, and injectors for any signs of malfunction. Next, examine the ignition system, focusing on the spark plugs, ignition coils, and wires, as any faults here can disrupt the ignition process. Utilizing an OBD-II scanner to retrieve diagnostic trouble codes (DTCs) from the vehicle's computer can provide critical insights into potential issues. Additionally, inspect the air intake system for obstructions or leaks that may hinder engine performance. Finally, ensure the battery and charging system are functioning correctly, as electrical problems can also contribute to stalling. By following these steps, you can effectively narrow down the causes of the stalling and take the necessary actions to resolve the issue.

What are the common problems that could cause the engine to stall in a 2013 Buick Regal?

When diagnosing engine stalling in a 2013 Buick Regal, it's crucial to consider several common problems that may be at play. Start by examining the fuel system, as issues like a clogged fuel filter or a failing fuel pump can significantly impact engine performance. Next, inspect the ignition system; faulty spark plugs or a malfunctioning ignition coil can disrupt the spark needed for combustion. Additionally, airflow problems, often caused by a dirty air filter or a malfunctioning airflow sensor, can lead to an improper air-fuel mixture, resulting in stalling. Don't overlook the importance of sensors, particularly the crankshaft and camshaft position sensors, as their failure can prevent the engine from running smoothly. Electrical issues, such as a weak battery or faulty alternator, can also contribute to stalling, so ensure these components are in good condition. Lastly, check for vacuum leaks, which can alter the air-fuel ratio and lead to engine instability. By systematically addressing these areas, you can effectively troubleshoot and resolve stalling issues in your Buick Regal.

How urgent is it to address the engine stalling issue in a 2013 Buick Regal?

Addressing the engine stalling issue in a 2013 Buick Regal is of utmost urgency due to the significant safety risks it poses. When an engine stalls unexpectedly, it can lead to a sudden loss of power, making it difficult to control the vehicle, which can result in dangerous situations on the road. Additionally, neglecting this issue can lead to more severe damage to the engine and other critical components, ultimately resulting in costly repairs that could have been avoided with timely intervention. By addressing the stalling problem promptly, you not only enhance the safety and reliability of your vehicle but also help maintain its overall performance, preventing further complications down the line. Therefore, it is highly advisable to seek a professional diagnosis and repair as soon as you notice any signs of engine stalling.

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