1990 Mitsubishi Galant Won't Start

Common Causes for Your 1990 Mitsubishi Galant's Starting Issues 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 1990 Mitsubishi Galant 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 when a 1990 Mitsubishi Galant won't start?

When your 1990 Mitsubishi Galant refuses to start, a systematic diagnostic approach can help you identify the problem efficiently. Begin by checking the battery, as a weak or dead battery is a common culprit; ensure the terminals are clean and securely connected. Next, inspect the fuel system by confirming there’s enough fuel in the tank and listening for the fuel pump's activation when you turn the key to the "on" position. If the pump is silent, it may need attention. Following this, examine the ignition system, including spark plugs and ignition coils, since faulty components here can prevent the engine from starting. Additionally, assess the starter motor; if you hear clicking sounds when attempting to start, this could indicate a starter issue. Finally, using an OBD-II scanner to check for error codes can provide valuable insights into any underlying electrical or engine problems. By methodically working through these steps, you can effectively troubleshoot and resolve the starting issues with your Galant.

What are the common problems that could cause a 1990 Mitsubishi Galant to not start?

When your 1990 Mitsubishi Galant 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 dead or weak battery is often the culprit behind starting failures. If the battery is in good condition, the next step is to inspect the ignition switch, as a malfunction here can prevent the electrical system from engaging. Additionally, the fuel system plays a crucial role in starting; a clogged fuel filter or a faulty fuel pump can disrupt fuel delivery, leading to starting issues. Don't overlook the starter motor, which is essential for cranking the engine; if it's faulty, the car won't start. Spark plugs and ignition coils are also vital components; worn or defective spark plugs can hinder the ignition process, while a malfunctioning ignition coil can prevent the spark needed for combustion. Lastly, the fuel pump relay should be checked, as a failure here can stop the fuel pump from operating correctly. By systematically examining these components, you can identify the root cause of your Galant's starting problems and take the necessary steps to resolve them.

How urgent is it to address the starting issue in a 1990 Mitsubishi Galant?

When dealing with a starting issue in a 1990 Mitsubishi Galant, understanding the urgency of the situation is crucial for any DIY mechanic. Safety should always be the top priority; if the car struggles to start or stalls unexpectedly, it can create dangerous situations on the road. Additionally, the severity of the problem plays a significant role in determining how quickly it should be addressed. Minor issues may seem manageable, but they can quickly escalate into major failures if ignored. Furthermore, neglecting a starting problem can lead to further damage to the vehicle, resulting in more extensive and costly repairs down the line. Lastly, a reliable starting system is essential for the overall functionality of your car, ensuring that you can depend on it for daily use without the fear of unexpected breakdowns. Therefore, it is advisable to assess the symptoms carefully and act promptly to maintain both safety and vehicle reliability.

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1990 Mitsubishi Galant Won't Start: Causes & Repairs