2012 Mitsubishi Eclipse Won't Start

Resolve Starting Issues for 2012 Mitsubishi Eclipse

Find Repair Location
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 2012 Mitsubishi Eclipse 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 Eclipse that won't start?

When your 2012 Mitsubishi Eclipse 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 a common culprit; ensure the terminals are clean and securely connected. Next, confirm that there is sufficient fuel in the tank, as running out of gas can often be overlooked. If these initial checks don’t resolve the issue, turn your attention to the ignition system. Inspect components like spark plugs and ignition coils for wear or damage, as these can significantly impact starting performance. Utilizing an OBD-II scanner to read any error codes from the vehicle's computer can provide further insights into potential issues. If the ignition system appears intact, examine the starter motor to ensure it is operational, as a malfunctioning starter can prevent the engine from turning over. Finally, assess the fuel system by checking the fuel pump, filter, and injectors for any blockages or failures that could hinder fuel delivery. By following this structured diagnostic approach, you can effectively troubleshoot and potentially resolve the starting issues with your Mitsubishi Eclipse.

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

When your 2012 Mitsubishi Eclipse refuses to start, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the battery; a weak or dead battery is often the culprit, so ensure it is fully charged and in good condition. If the battery is fine, the next component to investigate is the starter motor, as a malfunction here can prevent the engine from turning over. Additionally, issues within the fuel system, such as a clogged fuel filter or a faulty fuel pump, can hinder fuel delivery, making it impossible for the engine to start. Don’t overlook the ignition switch, which may fail to send the necessary signal to start the engine. Spark plugs and ignition coils are also critical; worn or faulty spark plugs can disrupt ignition, while a failing ignition coil can affect the spark needed to ignite the fuel. Lastly, consider the fuel pump relay, as a malfunctioning relay can interrupt fuel delivery. By systematically checking these components, you can identify and resolve the starting issues with your Mitsubishi Eclipse, empowering you to tackle the problem head-on.

How urgent is it to address the starting issue in my 2012 Mitsubishi Eclipse?

Addressing the starting issue in your 2012 Mitsubishi Eclipse is crucial for several reasons. First and foremost, safety should be your top priority; a malfunctioning start can leave you stranded or, worse, lead to dangerous situations if the vehicle fails while in motion. Additionally, a starting problem often signals deeper mechanical issues that can compromise your vehicle's overall performance, resulting in decreased fuel efficiency and increased likelihood of breakdowns. Financially, postponing repairs can escalate minor issues into major ones, leading to significantly higher repair costs down the line. Lastly, resolving the starting issue promptly enhances your convenience, ensuring that your vehicle remains reliable for daily commutes and unexpected trips. By addressing these concerns without delay, you not only safeguard your safety but also protect your investment in your Mitsubishi Eclipse.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.