2018 Mitsubishi Outlander PHEV Won't Start

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

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Reviewed by
Aisha
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 PHEV 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 PHEV?

When diagnosing the starting issue in your 2018 Mitsubishi Outlander PHEV, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex solutions. Begin by examining the battery, as a weak or dead battery is a common culprit for starting problems. Ensure the battery terminals are clean and securely connected, as corrosion or loose connections can hinder power delivery. If the battery checks out, proceed to test the starter motor, since a malfunctioning starter can also prevent the engine from starting. Next, verify that there is sufficient fuel in the tank, as low fuel levels or fuel system issues can impede engine ignition. Additionally, inspect the ignition system components, such as spark plugs and ignition coils, for any signs of wear or damage that could affect starting. Finally, utilizing a diagnostic tool to scan for error codes can provide further insights into any underlying issues. By following this structured approach, you can effectively identify and address the root cause of the starting problem in your vehicle.

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

When your 2018 Mitsubishi Outlander PHEV refuses to start, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the first areas to check is the battery; both the hybrid battery and the 12-volt battery are crucial for starting the vehicle. If the batteries are weak or dead, they may need a jump start or replacement. Next, consider the fuel system; ensure that there is enough fuel in the tank and that the fuel pump is functioning correctly, as these factors are essential for engine ignition. Additionally, inspect the ignition system, including the ignition switch and spark plugs, as faulty components here can prevent the engine from starting. Another critical component is the starter motor; if it is malfunctioning, it may not engage properly, leading to starting issues. Lastly, electrical problems such as damaged wiring or a failing alternator can disrupt the starting process. By systematically checking these areas, you can identify the root cause of the starting problem and take appropriate action, whether that means performing a simple fix or seeking professional assistance.

What urgent steps should be taken if a 2018 Mitsubishi Outlander PHEV won't start?

When your 2018 Mitsubishi Outlander PHEV won't start, it's crucial to act quickly to prevent potential safety hazards and costly repairs. Start by checking the battery, as a drained or faulty battery is often the culprit behind starting issues. If the battery is low, consider jump-starting it or replacing it if necessary. Next, inspect the charging system, ensuring that the charging cable, power source, and charging port are all functioning correctly and securely connected. It's also important to verify that the vehicle has sufficient fuel or charge, particularly since this model is a plug-in hybrid. Pay attention to any error messages or warning lights on the dashboard, as these can provide valuable insights into the problem. Additionally, consulting the owner's manual can offer specific troubleshooting guidance tailored to your vehicle. If these steps do not resolve the issue, do not hesitate to contact a certified Mitsubishi technician or a professional mechanic, as timely intervention can prevent further complications and ensure your safety on the road.

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