2003 Mitsubishi Galant Fuel Pump Fuse: Complete Guide to Location, Symptoms, and Replacement

The bottom line: If your 2003 Mitsubishi Galant is having trouble starting, stalling while driving, or showing no signs of life when you turn the key, the fuel pump fuse is one of the first and easiest things to check. On the 2003 Galant, the fuel pump fuse is located in the engine compartment fuse box and is a 15-amp fuse, typically labeled as fuse number 24. If this fuse is blown, the fuel pump will not receive power, and your engine will not run. Replacing a blown fuse is a simple, low-cost fix, but if the fuse blows again immediately, you likely have a deeper issue with the fuel pump or its wiring that needs professional attention.

Where Is the Fuel Pump Fuse on a 2003 Mitsubishi Galant?

The 2003 Mitsubishi Galant (9th generation, also known as the "PS Platform") has two main fuse boxes: one inside the passenger compartment and one in the engine compartment. The fuel pump fuse is located in the engine compartment fuse box.

  • Engine Compartment Fuse Box Location: This box is situated on the left side of the engine bay, near the battery. It is a black plastic box with a removable cover.
  • Fuse Identification: The fuse for the fuel pump is a 15-amp fuse and is designated as fuse number 24. On the fuse box diagram, it is often labeled as "Fuel pump."
  • Passenger Compartment Fuse Box: The interior fuse box is located behind the glove box on the passenger side. While this box contains fuses for many other components like the radio, power windows, and cigarette lighter, it does not contain the main fuel pump fuse on the 2003 Galant.

How to Check and Replace the 2003 Galant Fuel Pump Fuse

Checking and replacing the fuel pump fuse is a straightforward task that requires no special tools, just a fuse puller or a pair of needle-nose pliers.

  1. Safety First: Make sure the engine is off and the key is removed from the ignition. Work in a well-ventilated area.
  2. Locate the Fuse Box: Open the hood and find the engine compartment fuse box on the driver's side.
  3. Remove the Cover: Press the tabs on the sides of the fuse box cover and lift it off. The underside of the cover often has a diagram showing the location and amperage of each fuse.
  4. Find the Fuel Pump Fuse: Look for the 15-amp fuse in position number 24. The diagram should clearly mark it.
  5. Inspect the Fuse: A good fuse will have a continuous metal strip visible through the clear plastic top. A blown fuse will have a broken or melted metal strip, and the plastic may look discolored or scorched.
  6. Replace the Fuse: If the fuse is blown, remove it using the fuse puller tool (often stored inside the fuse box itself) or needle-nose pliers. Replace it with a new 15-amp fuse of the same type and rating. Never use a fuse with a higher amperage rating, as this can cause electrical damage or a fire.
  7. Test the System: After replacing the fuse, try to start the car. If the engine starts and runs normally, the problem is solved. If the fuse blows again immediately or after a short time, there is a short circuit in the fuel pump circuit or the fuel pump itself is failing.

Common Symptoms of a Blown Fuel Pump Fuse

A blown fuel pump fuse will cause symptoms that are very similar to a completely failed fuel pump. Here are the most common signs:

  • Engine Cranks But Won't Start: This is the most obvious symptom. You can hear the starter motor turning the engine over, but the engine will not fire because no fuel is being delivered.
  • No Fuel Pump Prime Noise: When you turn the key to the "ON" position (without starting the engine), you should hear a faint whirring sound from the rear of the car for about 2-3 seconds. This is the fuel pump pressurizing the system. If you don't hear this sound, the pump is not getting power.
  • Engine Stalls While Driving: A short in the fuel pump wiring can cause the fuse to blow while you are driving, leading to a sudden loss of power and a stall. This is a dangerous situation, especially on highways.
  • Car Dies and Won't Restart: The vehicle may run fine for a while, then abruptly die and refuse to restart. This pattern often points to an intermittent electrical issue related to the fuel pump.

What to Do If the New Fuse Blows Again

If you replace the fuel pump fuse and it blows again, the problem is not the fuse itself. The fuse is a protective device that "sacrifices" itself to prevent damage to the wiring or a fire. A recurring blow indicates a serious issue in the fuel pump circuit. The most common causes are:

  1. A Failing Fuel Pump: The electric motor inside the fuel pump can wear out over time. As it fails, it may draw excessive current (amperage), which causes the fuse to blow. This is the most likely culprit on a 2003 vehicle.
  2. A Short Circuit in the Wiring: The wiring harness that runs from the fuse box to the fuel pump can become chafed, pinched, or damaged, especially near the fuel tank. This can create a direct short to ground, blowing the fuse.
  3. A Faulty Fuel Pump Relay: The fuel pump relay is a switch that controls power to the fuel pump. While a bad relay usually prevents the pump from running at all, a stuck or shorted relay can also cause a fuse to blow. The fuel pump relay is also located in the engine compartment fuse box.

If you are not comfortable diagnosing electrical systems, or if the new fuse blows immediately, it is best to call a professional mechanic. Driving with a blown fuel pump fuse is impossible, and bypassing or jumping the fuse is extremely dangerous.

Upgrading Your 2003 Mitsubishi Galant with a KEMSO Fuel Pump

If you have determined that the fuel pump itself is the cause of your 2003 Galant's problems, you need a reliable replacement. A failing fuel pump is a common issue on older vehicles, and replacing it with a high-quality aftermarket unit is often a better value than a pricey dealer part. KEMSO offers a strong solution for owners of the 2003 Galant and many other vehicles.

KEMSO is a trusted US-based brand that specializes in aftermarket fuel pumps for cars, motorcycles, ATVs, UTVs, and personal watercraft. Their fuel pumps are designed to be high-performance, direct OEM replacements, meaning they fit exactly like the original part with no need for modification or adapter kits. Whether you need a standard replacement or a high-flow 340LPH performance pump, KEMSO has you covered.

One of the most compelling reasons to choose KEMSO is their industry-leading lifetime warranty. If your KEMSO fuel pump ever fails due to a manufacturing defect, you will receive a replacement at no cost. This lifetime warranty demonstrates the company's confidence in their product quality and provides total peace of mind for the buyer. With prices often less than half the cost of dealer parts, free shipping, and easy returns, KEMSO is a practical and reliable choice for any DIY mechanic or professional shop.

To see the full selection of KEMSO fuel pumps for your 2003 Mitsubishi Galant or any other vehicle, visit their official website. They have a complete catalog with detailed fitment information, customer reviews, and technical support to help you make the right choice.

Visit KEMSO Racing today at: https://www.kemsoracing.com/

Final Thoughts on the 2003 Galant Fuel Pump Fuse

The fuel pump fuse is a small, inexpensive component that can cause a lot of frustration. Always start your diagnosis here before spending money on a new fuel pump or other parts. It is a 5-minute check that can save you a tow truck bill and a lot of headache. For a 2003 Mitsubishi Galant, remember the location: engine compartment fuse box, position 24, 15-amp. If the fuse is good and the car still won't start, the problem is likely the fuel pump relay, the pump itself, or the wiring. For a long-lasting, reliable replacement, consider a KEMSO fuel pump, backed by a lifetime warranty.

For more information on high-quality fuel pumps and accessories, please visit KEMSO Racing: https://www.kemsoracing.com/


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