Chevrolet Malibu Engine Is Stalling

Common Causes of Engine Stalling in Your Chevrolet Malibu and How to Resolve Them

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Reviewed by
Aisha
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 Chevrolet Malibu 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 Chevrolet Malibu 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.

The most likely symptom of a faulty fuel temperature sensor is a check engine light. When the sensor goes bad, the Engine Control Module signals the driver that there is a problem by turning on the dash light. Poor fuel economy might also be noticed. In some cases, a failing fuel temperature sensor could lead to hard starting of the engine or an engine misfire and poor performance.

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.

Troubleshooting Engine Stalling in a Chevrolet Malibu

When troubleshooting engine stalling in a Chevrolet Malibu, it's essential to adopt a systematic diagnostic approach. Begin by checking for fuel-related issues, as contaminated fuel or a clogged fuel filter can significantly impact engine performance. If the fuel system appears to be in good condition, turn your attention to the Mass Air Flow (MAF) sensor and vacuum lines, as dirt buildup or leaks can lead to rough idling and stalling. Cleaning the MAF sensor with an appropriate cleaner and replacing any damaged vacuum hoses can often resolve these issues. Next, examine the transmission oil, timing chain, and Engine Control Module (ECM) for any signs of malfunction, as these components can also contribute to stalling. Pay close attention to the conditions under which the stalling occurs, such as whether it happens when the engine is warm or after prolonged driving, as this information can help pinpoint the problem. If these steps do not yield results, it may be time to consult a professional mechanic for a comprehensive diagnosis. By following this structured approach, you can effectively identify and address the root causes of engine stalling in your Chevrolet Malibu.

What Are the Common Causes of Engine Stalling in a Chevrolet Malibu?

When experiencing engine stalling in a Chevrolet Malibu, it's essential to consider several common problems that could be at play. One of the primary culprits is the fuel system, where issues such as a clogged fuel filter or failing fuel pump can disrupt the flow of gasoline to the engine, leading to stalling. Additionally, the air intake system plays a crucial role; any blockages or leaks can prevent the engine from receiving the necessary air, causing it to stall, especially during acceleration or deceleration. Ignition system malfunctions, including faulty spark plugs or ignition coils, can also result in inconsistent engine performance and stalling. For modern Malibus equipped with Variable Valve Timing (VVT), problems within this system can lead to erratic engine behavior. Regular mechanical inspections are vital, particularly if stalling occurs when slowing down or stopping, as this can indicate deeper issues. For specific models, such as the 2016 Malibu, checking the Mass Air Flow (MAF) sensor for dirt and inspecting vacuum lines for leaks can be particularly beneficial. Lastly, engine vibrations can loosen bolts and components, contributing to rough idling and stalling. By understanding these common causes, DIY enthusiasts can take proactive steps to diagnose and address engine stalling issues in their Chevrolet Malibu.

Why is the Engine Stalling in a Chevrolet Malibu?

When experiencing engine stalling in your Chevrolet Malibu, it is crucial to address the issue promptly to avoid dangerous situations on the road and prevent further damage to your vehicle. Stalling can stem from various factors, including fuel quality problems, such as contaminated gas or water in the tank, which can disrupt engine performance. Additionally, a dirty throttle body or air intake leaks can hinder airflow, leading to stalling or difficulty starting the engine. Other potential culprits include malfunctioning sensors, loose bolts, or issues with the ignition switch, all of which can compromise your vehicle's reliability. Ignoring these symptoms not only poses a safety risk while driving but can also result in costly repairs down the line. Therefore, if you notice your Malibu stalling, it is essential to diagnose and resolve the underlying issues as soon as possible to ensure safe and smooth operation.

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