2017 Mazda 6 Engine Is Stalling

Common Causes of Engine Stalling in Your 2017 Mazda 6 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 2017 Mazda 6 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 2017 Mazda 6 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 for a stalling issue in a 2017 Mazda 6?

When faced with a stalling issue in your 2017 Mazda 6, it's essential to adopt a methodical diagnostic approach. Start by checking the fuel system; ensure that your fuel tank is adequately filled and inspect the fuel pump and filter for any blockages or malfunctions that could hinder fuel delivery. Next, turn your attention to the battery, as a weak or corroded connection can lead to starting issues. Make sure the battery terminals are clean and securely attached, and test the battery's charge. Following this, examine the ignition system by inspecting the spark plugs for wear and checking the ignition coils for any signs of failure, as these components are crucial for engine performance. Utilizing an OBD-II scanner can provide valuable insights by revealing any error codes stored in the vehicle's computer, which can help pinpoint the issue. Additionally, inspect the air intake system, ensuring that the air filter is clean and that the mass airflow sensor is functioning correctly, as restricted airflow can contribute to stalling. Finally, don't overlook the engine sensors; check the crankshaft and camshaft position sensors for proper operation, as faulty sensors can lead to significant performance issues. By following these steps, you can systematically diagnose and address the stalling problem in your Mazda 6, potentially saving time and money on repairs.

What are the common problems that could cause a 2017 Mazda 6 engine to stall?

When your 2017 Mazda 6 experiences engine stalling, it’s essential to consider several common problems that could be the culprit. One of the primary areas to investigate is the fuel system; a clogged fuel filter or a malfunctioning fuel pump can significantly hinder fuel delivery, leading to stalling. Additionally, the ignition system plays a crucial role; failing components like ignition coils or worn spark plugs can disrupt the spark necessary for combustion. Airflow issues, such as a dirty air filter or a faulty mass airflow sensor, can also affect the air-fuel mixture, resulting in stalling. Furthermore, electrical problems, including a weak battery or a malfunctioning alternator, can cause power interruptions that lead to engine shutdowns. It’s also important to check for malfunctioning sensors, particularly the crankshaft and camshaft position sensors, as they provide vital information for engine timing and operation. Lastly, vacuum leaks can create imbalances in the air-fuel ratio, contributing to stalling. By systematically diagnosing these areas, DIYers can effectively address the stalling issue and restore their vehicle's performance.

How urgent is it to address the engine stalling issue in a 2017 Mazda 6?

Addressing the engine stalling issue in a 2017 Mazda 6 is of utmost urgency due to the significant safety risks it poses. Stalling can occur unexpectedly while driving, leading to a loss of control that could result in dangerous situations on the road. Moreover, 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. For DIY enthusiasts, it is essential to recognize that regular maintenance and prompt repairs are key to ensuring the vehicle operates smoothly and safely. Therefore, if you notice any signs of stalling, it is crucial to diagnose and address the problem as soon as possible, whether through self-repair or by consulting a qualified mechanic, to safeguard both your vehicle's performance and your safety on the road.

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2017 Mazda 6 Engine Stalling: Causes & Repair Costs