
The 2003 Mazda Protege has a high-pressure fuel filter on the fuel pump housing, as well as a low-pressure filter (screen). The fuel pump is accessed by removing the rear seat cushion, and there is an access hole to remove the pump. The fuel filter is connected to the fuel pump, which is located in the gas tank. Although the fuel filter does not require periodic replacement, it is recommended that it be changed if you are replacing the fuel pump.
| Characteristics | Values |
|---|---|
| Fuel pump access | Remove rear seat cushion |
| Fuel pump location | Gas tank |
| Fuel filter type | "Strainer" or "screen" |
| Fuel filter appearance | Nylon mesh "sock" |
| Fuel filter replacement | Not required periodically, but recommended when replacing fuel pump |
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What You'll Learn

Removing the rear seat cushion
To replace the fuel filter on a 2003 Mazda Protege, you will need to remove the rear seat cushion to access the fuel pump. The fuel pump is located in the gas tank and the fuel filter is connected to it.
- Start by opening the rear doors of your Mazda Protege.
- Locate the rear seat cushion and identify any screws, bolts, or latches holding it in place.
- Using the appropriate tools, carefully remove the screws or bolts securing the seat cushion. If there are any latches, release them.
- Gently lift the rear seat cushion and set it aside, being careful not to damage any surrounding components.
- Once the seat cushion is removed, you should see an access hole leading to the fuel pump.
- Proceed with caution and follow the necessary steps to replace the fuel filter, ensuring you have the correct replacement part.
- After replacing the fuel filter, carefully reinstall the rear seat cushion by reversing the removal process. Ensure all screws, bolts, or latches are securely fastened.
Please note that the fuel filter in the 2003 Mazda Protege is a “strainer” or a "screen", which looks like a nylon mesh "sock". While this fuel strainer does not require periodic replacement, it is recommended to change it when replacing the fuel pump.
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Accessing the fuel pump
To access the fuel pump on a 2003 Mazda Protege, you will need to remove the rear seat cushion. Once the cushion is out of the way, there is an access hole to remove the pump. The high-pressure fuel filter is located on the fuel pump housing, as is the low-pressure filter (screen).
The fuel pump is located in the gas tank. The fuel filter is a "strainer" or a "screen", which looks like a nylon mesh "sock". This strainer is connected to the fuel pump. Although this fuel strainer does not require periodic replacement, it is recommended that it be changed if you are replacing the fuel pump.
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Locating the fuel filter
The 2003 Mazda Protege does not have an inline fuel filter. The only fuel filter it has is a "strainer" or a "screen", which looks like a nylon mesh "sock". This strainer is connected to the fuel pump, which is located in the gas tank. To access the fuel pump, you need to remove the rear seat cushion. Once the seat cushion is removed, there is an access hole to remove the pump.
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Replacing the fuel pump
To replace the fuel pump on a 2003 Mazda Protege, you need to remove the rear seat cushion to access the pump. Once the seat cushion is out of the way, there is an access hole to remove the pump. The high-pressure fuel filter is on the fuel pump housing, as well as the low-pressure filter (screen). It is recommended that the fuel strainer be changed if you are replacing the fuel pump.
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$6.08 $8.99

Removing the fuel pump assembly
To replace the fuel filter on a 2003 Mazda Protege, you must first remove the rear seat cushion. There are two or three latches under the bench that need to be opened. Once the seat cushion is out of the way, there is an access hole to remove the pump. The high-pressure fuel filter is on the fuel pump housing, as is the low-pressure filter (screen). The only fuel filter the 2003 Protege has is a "strainer" or a "screen", which looks like a nylon mesh "sock". This strainer is connected to the fuel pump, located in the gas tank. Although this fuel strainer does not require periodic replacement, it is recommended that it be changed if you are replacing the fuel pump.
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Frequently asked questions
Remove the rear seat cushion.
The high-pressure fuel filter is on the fuel pump housing, as well as the low-pressure filter (screen).
The fuel filter is a "strainer" or a "screen", which looks like a nylon mesh "sock".
The fuel filter is connected to the fuel pump, which is located in the gas tank.
The fuel filter does not require periodic replacement, but it is recommended that it be changed if you are replacing the fuel pump.











































