2012 Mitsubishi Lancer Won't Start

Resolve Starting Issues with Your 2012 Mitsubishi Lancer

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Reviewed by
Bo Fader
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 2012 Mitsubishi Lancer 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 are the initial diagnostic steps to take for a 2012 Mitsubishi Lancer that won't start?

When your 2012 Mitsubishi Lancer refuses to start, it's essential to approach the problem methodically to identify the root cause. Begin by checking the battery, as a weak or dead battery is often the simplest explanation for starting issues. Ensure the battery terminals are clean and securely connected. Next, verify that there is enough fuel in the tank; sometimes, a low fuel level can be the culprit. If both the battery and fuel levels are adequate, turn your attention to the ignition switch, as a malfunction here can prevent the engine from starting. Following this, inspect the starter motor to confirm it engages when you turn the key; a faulty starter can lead to significant starting problems. Additionally, assess the fuel system by checking the fuel pump and filter for proper operation, as issues in this area can also hinder starting. Finally, examine the spark plugs for wear or dirt, as faulty spark plugs can disrupt the ignition process. By systematically working through these steps, you can effectively diagnose and address the starting issues with your Mitsubishi Lancer.

What are the common problems that could cause a 2012 Mitsubishi Lancer to not start?

When your 2012 Mitsubishi Lancer refuses to start, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first things to check is the battery; a dead or weak battery is often the culprit, especially if the vehicle has been exposed to extreme temperatures or if lights were left on. If the battery is functioning properly, the next step is to inspect the starter motor, as a faulty starter can prevent the engine from cranking. Additionally, consider the fuel system; issues like a clogged fuel filter or a malfunctioning fuel pump can hinder fuel delivery, making it impossible for the engine to start. Don't overlook the ignition switch, as a malfunction here can disrupt the starting process when the key is turned. Lastly, examine the spark plugs and ignition system components, as worn-out spark plugs or faulty ignition coils can lead to ignition failures. By systematically checking these areas, you can identify the root cause of your starting issues and take the necessary steps to resolve them.

How urgent is it to address the starting issue in a 2012 Mitsubishi Lancer?

When dealing with a starting issue in a 2012 Mitsubishi Lancer, understanding the urgency of the situation is crucial for any DIY enthusiast. If your vehicle fails to start completely, this is a clear signal that immediate action is necessary to avoid being stranded and to prevent more serious mechanical failures. Intermittent starting problems, while less urgent, should not be ignored, as they can escalate over time, leading to more significant issues. Additionally, if you notice warning lights on the dashboard or hear unusual noises when attempting to start the engine, these symptoms warrant prompt attention to avert potential damage to critical components. Regular maintenance plays a vital role in preventing such issues; therefore, if your vehicle is due for service, it’s wise to address any starting problems during that time. If you find yourself uncertain about the severity of the issue, consulting a professional mechanic can provide clarity and ensure that necessary repairs are made before the situation worsens. Ultimately, addressing starting issues promptly is essential for maintaining the safety and reliability of your Mitsubishi Lancer on the road.

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2012 Mitsubishi Lancer Won't Start: Causes & Repairs