2018 Mitsubishi Outlander Sport Won't Start

Common Causes for Your 2018 Mitsubishi Outlander Sport Not Starting and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2018 Mitsubishi Outlander Sport won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
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.

What steps should I take to diagnose the starting issue in my 2018 Mitsubishi Outlander Sport?

To effectively diagnose the starting issue in your 2018 Mitsubishi Outlander Sport, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining the battery, as a weak or dead battery is often the most common culprit behind starting problems. If the battery is functioning properly, listen for any clicking sounds when you turn the key, which may indicate a malfunctioning starter motor. Next, verify that the ignition switch is operational by checking if the dashboard lights illuminate when the key is turned. Fuel delivery is another critical factor; ensure that the fuel pump is working and that fuel is reaching the engine. Additionally, inspect the spark plugs for wear or damage, as faulty spark plugs can hinder the starting process. If these initial checks do not reveal the issue, consider using an OBD-II scanner to identify any error codes that could provide further insight. Finally, inspect the fuel system for any clogs or leaks that might be affecting performance. By following this structured diagnostic approach, you can efficiently identify and address the starting issue in your vehicle.

What are the common problems that could cause a 2018 Mitsubishi Outlander Sport to not start?

When troubleshooting starting issues with a 2018 Mitsubishi Outlander Sport, it's essential to consider several common problems that could be at play. A dead battery is often the first suspect, as it can result from age, leaving lights on, or a malfunctioning charging system. If the battery is in good condition, the next component to check is the starter motor; a faulty starter can prevent the engine from turning over. Additionally, issues within the fuel system, such as a clogged fuel filter or a failing fuel pump, can hinder the engine's ability to receive the necessary fuel for ignition. It's also crucial to examine the ignition switch, as a malfunction here can disrupt the electrical system's engagement, leading to starting difficulties. Lastly, worn or faulty spark plugs can cause ignition problems, making it hard for the vehicle to start. By systematically addressing these potential issues, you can effectively diagnose and resolve the starting problems with your Outlander Sport.

How urgent is it to address the starting issue in a 2018 Mitsubishi Outlander Sport?

When dealing with starting issues in a 2018 Mitsubishi Outlander Sport, the urgency of addressing the problem cannot be overstated. If the vehicle exhibits symptoms such as difficulty starting or stalling, it poses a significant safety risk that requires immediate attention. Ignoring these signs can lead to dangerous situations on the road, jeopardizing the safety of both the driver and passengers. Additionally, if the starting issue occurs frequently, it may indicate a deeper underlying problem that could escalate if left unresolved. This not only affects the vehicle's performance, including fuel efficiency and drivability, but can also lead to more severe and costly repairs down the line. Proactive maintenance is key; by addressing starting issues promptly, you can prevent further damage and ensure that your Outlander Sport continues to operate at its best. Therefore, it is advisable to take any starting issue seriously and seek a resolution as soon as possible to maintain safety and vehicle integrity.

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