2020 Mitsubishi Outlander PHEV Engine Is Stalling

Common Causes of Engine Stalling in Your 2020 Mitsubishi Outlander PHEV 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
0%
15% chance it's the
Air Intake System
0%
55% chance it's
Something else
The most common reasons a 2020 Mitsubishi Outlander PHEV 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 2020 Mitsubishi Outlander PHEV 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.

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 diagnostic steps should be taken to address the stalling issue in a 2020 Mitsubishi Outlander PHEV?

When tackling a stalling issue in your 2020 Mitsubishi Outlander PHEV, it's essential to adopt a systematic diagnostic approach. Start by checking for error codes using a diagnostic scanner, as these codes can reveal specific problems within the vehicle's systems. Next, inspect the hybrid battery to confirm it is functioning properly and holding a sufficient charge, since a weak battery can lead to stalling. Following this, examine the charging system, including the charging cable and port, to ensure they are in good condition, as any faults here can affect the hybrid system's performance. Additionally, assess the fuel system components, such as the fuel pump and injectors, to guarantee that fuel is being delivered effectively to the engine. Don't overlook the ignition system; checking the spark plugs and ignition coils is crucial, as faulty components can cause engine misfires. Lastly, inspect the engine sensors, including the mass airflow and oxygen sensors, to ensure they are providing accurate data to the engine control module. By methodically following these steps, you can identify and resolve the stalling issue, ensuring your Outlander PHEV runs smoothly.

What are the common problems that could cause the engine to stall in a 2020 Mitsubishi Outlander PHEV?

When diagnosing engine stalling issues in a 2020 Mitsubishi Outlander PHEV, it's essential to consider several common problems that could be at play. One of the primary culprits is battery-related issues, particularly with the hybrid battery or high-voltage system, which can disrupt engine performance. Additionally, a malfunctioning fuel system, characterized by a clogged fuel filter or a faulty fuel pump, can prevent the engine from receiving the necessary fuel, leading to stalling. Ignition system components, such as spark plugs and ignition coils, are also critical; if they fail, the engine may not start or could stall unexpectedly. Furthermore, sensors like the crankshaft and camshaft position sensors play a vital role in engine timing and operation; any malfunction here can result in stalling. A dirty or faulty throttle body can impede airflow, causing similar issues. Lastly, transmission problems, including a failing torque converter or slipping clutch, can contribute to engine stalling. By understanding these potential issues, DIYers can take proactive steps in maintenance and repairs, ensuring their Outlander PHEV runs smoothly and efficiently. Regular checks and timely interventions can significantly reduce the risk of stalling and enhance the vehicle's overall performance.

How urgent is it to address the engine stalling issue in a 2020 Mitsubishi Outlander PHEV?

When it comes to the engine stalling issue in a 2020 Mitsubishi Outlander PHEV, urgency cannot be overstated. Stalling while driving can lead to a sudden loss of power, significantly increasing the risk of accidents and jeopardizing the safety of both the driver and passengers. Moreover, neglecting this problem can exacerbate underlying issues, potentially resulting in more severe damage to the engine or related components, which could lead to costly repairs down the line. For DIY enthusiasts, addressing the stalling issue promptly not only ensures the vehicle's reliability for daily use but also allows for a more manageable repair process before the situation escalates. Taking immediate action can save time, money, and enhance the overall driving experience, making it essential to prioritize this concern as soon as symptoms arise.

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