2017 Audi RS7 Engine Is Stalling

Troubleshooting Common Causes of Engine Stalling in Your 2017 Audi RS7 and How to Resolve Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Fuel System
0%
15% chance it's the
Air Intake System
0%
55% chance it's
Something else
The most common reasons a 2017 Audi RS7 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 Audi RS7 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.

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 2017 Audi RS7 engine is stalling?

When faced with a stalling engine in your 2017 Audi RS7, it's crucial to adopt a systematic diagnostic approach to uncover the root cause. Start by checking the fuel system, as issues like clogged fuel filters or a malfunctioning fuel pump can significantly impact engine performance. Next, examine the ignition system; ensure that components such as spark plugs and ignition coils are in good condition, as these are vital for proper engine operation. Utilizing a diagnostic scanner to retrieve error codes from the vehicle's onboard computer can provide immediate insights into potential problems, guiding your next steps. Additionally, inspect the air intake system for any blockages or damage, as a dirty air filter or faulty mass airflow sensor can hinder airflow and affect engine efficiency. Finally, assess the various engine sensors, including the crankshaft position and oxygen sensors, to confirm they are functioning correctly. By following this structured approach, you can effectively diagnose and address the stalling issue, ensuring your Audi RS7 runs smoothly again.

What are the common problems that could cause the engine to stall in a 2017 Audi RS7?

When diagnosing engine stalling issues in a 2017 Audi RS7, it's crucial to consider several common problems that could be at play. One of the primary culprits is the fuel system, where a clogged fuel filter or a failing fuel pump can disrupt the flow of fuel to the engine, leading to stalling. Additionally, electrical system malfunctions, such as faulty ignition components or sensor failures, can also cause the engine to unexpectedly shut down. Another area to inspect is the air intake and exhaust systems; blockages or malfunctions here can significantly impact engine performance. Furthermore, the Engine Control Module (ECM) plays a vital role in managing engine functions, and any failure in this component can result in stalling. Lastly, issues with the throttle body, which controls the airflow into the engine, can lead to irregular engine behavior. By understanding these potential problems and conducting regular maintenance, DIY enthusiasts can effectively troubleshoot and address stalling issues, ensuring their Audi RS7 remains in optimal running condition.

How urgent is it to address the engine stalling issue in a 2017 Audi RS7?

Addressing the engine stalling issue in a 2017 Audi RS7 is of utmost urgency due to the significant safety risks it poses. Stalling can occur unexpectedly, particularly at high speeds or in heavy traffic, increasing the likelihood of accidents and jeopardizing the safety of both the driver and other road users. Moreover, neglecting this problem can lead to more severe damage to the vehicle's engine and related components, resulting in costly repairs that could have been avoided with timely intervention. By addressing the stalling issue promptly, drivers can not only enhance their safety but also prevent the inconvenience and frustration associated with unexpected breakdowns. Therefore, it is crucial to take immediate action to ensure the reliability and longevity of your Audi RS7.

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