2018 Mitsubishi Mirage G4 Engine Is Stalling

Common Causes of Engine Stalling in Your 2018 Mitsubishi Mirage G4 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 2018 Mitsubishi Mirage G4 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 2018 Mitsubishi Mirage G4 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 steps to diagnose the stalling issue in a 2018 Mitsubishi Mirage G4?

To effectively diagnose a stalling issue in your 2018 Mitsubishi Mirage G4, start by checking for any warning lights on the dashboard, as these can provide immediate clues about underlying problems. Next, utilize an OBD-II scanner to retrieve any error codes from the vehicle's computer, which can pinpoint specific issues. Inspect the spark plugs for wear or damage, as faulty plugs can lead to engine misfires. Following this, examine the fuel system components, including the fuel pump and filter, to ensure they are functioning correctly, as fuel delivery problems can cause stalling. Additionally, check the air intake system for blockages or leaks that may hinder engine performance. The throttle body should also be inspected for dirt or carbon buildup, which can affect its operation. Don’t forget to assess the battery's condition, as a weak battery can contribute to stalling. Furthermore, examine critical sensors like the mass airflow and oxygen sensors to ensure they are working properly. Look for any cracked or disconnected vacuum hoses that could lead to vacuum leaks, and finally, take the vehicle for a test drive to observe when the stalling occurs. By following this structured approach, you can effectively identify and address the root cause of the stalling issue in your Mitsubishi Mirage G4.

What are the common problems that could cause the engine to stall in a 2018 Mitsubishi Mirage G4?

When diagnosing engine stalling in a 2018 Mitsubishi Mirage G4, it's crucial to consider several common problems that may be at play. One of the primary culprits is the fuel system, where issues such as a clogged fuel filter or a malfunctioning fuel pump can disrupt the flow of fuel to the engine, leading to stalling. Additionally, the ignition system plays a vital role; failing components like ignition coils or worn spark plugs can prevent the engine from firing properly. Airflow is another critical factor; obstructions caused by a dirty air filter or a faulty mass airflow sensor can hinder the engine's performance. Furthermore, sensor failures, particularly with the crankshaft or camshaft position sensors, can send incorrect signals to the engine control unit, resulting in stalling. Lastly, electrical problems, including a weak battery or a defective alternator, can compromise the engine's operation. By understanding these common issues, DIYers can take proactive steps to troubleshoot and resolve stalling problems, ensuring their vehicle runs smoothly.

How urgent is it to address the engine stalling issue in a 2018 Mitsubishi Mirage G4?

When it comes to addressing engine stalling issues in a 2018 Mitsubishi Mirage G4, urgency cannot be overstated. Engine stalling can create significant safety hazards, especially if it occurs unexpectedly while driving, potentially leading to dangerous situations on busy roads or highways. Moreover, neglecting this issue can exacerbate underlying problems, resulting in more extensive and costly repairs down the line. For DIY enthusiasts, understanding the implications of delaying repairs is crucial; not only can it affect the vehicle's performance and reliability, but it can also diminish its resale value. Regular maintenance and prompt attention to stalling symptoms are essential for ensuring the vehicle operates smoothly and safely. Therefore, if you notice any signs of engine stalling, it is advisable to diagnose and address the issue as soon as possible, whether through self-repair or by consulting a qualified mechanic. Taking swift action will not only enhance your safety but also protect your investment in the long run.

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2018 Mitsubishi Mirage G4 Engine Stalling Issues & Solutions