
The 2009 Subaru Impreza fuel filter is located inside the fuel tank, in the fuel sending unit. It is an important part of the fuel delivery system, preventing contaminants from entering the rest of the fuel system and causing damage. While some Subaru owners claim that the fuel filter does not need to be replaced, others argue that it should be replaced every 60,000 to 72,000 miles. Replacement costs range from $110 to $160, but the process can be challenging and expensive, and there is a risk of damaging the fuel gauge if not done carefully.
| Characteristics | Values |
|---|---|
| Location of Fuel Filter | Inside the fuel tank, in the fuel sending unit |
| Fuel Filter Replacement Cost | Between $110 and $160 |
| Replacement Interval | Every 60,000 miles |
| Difficulty of Replacement | Expensive and a lot of work |
| Cleaning Agents | Should not be added to the fuel tank |
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What You'll Learn

The 2009 Subaru Impreza fuel filter is located inside the fuel tank
Fuel filters are an important part of the fuel delivery system. They prevent contaminants from fuel and the fuel tank from entering the rest of the fuel system and causing damage. A bad fuel filter will cause fuel starvation of the engine, causing it to idle rough or prevent it from starting at all.
Due to its location, replacing the fuel filter on a 2009 Subaru Impreza is a lot of work and expensive. In fact, it is so difficult that some people choose to wait until the fuel pump goes and the tank needs to be removed anyway. This is because the access panel for the fuel tank is located underneath the rear seat, making it hard to reach.
Some people choose to take their car to a mechanic to replace the fuel filter. However, this can be risky as most mechanics lack the precision required for this task. If the replacement is not conducted carefully, it can ruin the fuel gauge, causing inaccurate fuel level readings.
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It's like a sock in the fuel sending unit
The fuel filter in a 2009 Subaru Impreza is located inside the fuel tank, at the bottom of the fuel sending unit. It looks like a sock or a "sippy cup", in the words of one Reddit user.
While the owner's manual for the 2017 Subaru Impreza states that the fuel filter should be replaced every 72,000 miles, some Subaru dealership employees and owners have stated that the filter is designed to last the lifetime of the car. One dealership employee has stated that the filter only needs to be replaced when there is an issue.
Due to the location of the fuel filter, it is not easy or cheap to service. One owner has stated that they were advised not to replace the fuel filter as it can cause issues with the fuel gauge, leading to inaccurate fuel level readings. Another owner has stated that they were advised not to replace the filter because it is a lot of work and expensive to do so. They were told to wait until the fuel pump needs to be replaced, as the fuel tank will need to be removed anyway.
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Replacement costs are between $110 and $160
The fuel filter in a 2009 Subaru Impreza is located in the fuel tank. It is recommended to replace the fuel filter every 50,000 to 72,000 miles, or every 5 years, depending on the usage and driving conditions. Replacement costs for the fuel filter on a 2009 Subaru Impreza range from $110 to $160, including parts and labor. This range falls within the average cost nationwide of between $90 and $207 for fuel filter replacement.
While some Subaru owners choose to replace the fuel filter themselves to save on labor costs, others have reported issues with fuel-smelling cabins and inaccurate fuel gauge readings after replacement. It is important to carefully consider whether to attempt this replacement as a DIY project or to consult a professional mechanic.
The fuel filter plays a crucial role in trapping tiny contaminants, such as rust particles and dirt, that may be present in the fuel. Over time, these contaminants can clog the fuel filter, leading to potential engine operating problems and issues with starting the vehicle. Therefore, it is essential to regularly check the fuel filter and replace it when necessary to maintain optimal vehicle performance.
Some signs that indicate the need for fuel filter replacement include difficulty starting the engine or multiple attempts required to start the vehicle. Additionally, if there is a leak in the fuel filter, it is crucial to have it repaired before driving the car to prevent further complications.
It is worth noting that some Subaru dealerships have stated that the fuel filter is a "lifetime filter," suggesting that it does not require replacement. However, this claim contradicts the recommendations in the owner's manual and the experiences of some Subaru owners. Ultimately, the decision to replace the fuel filter should be based on the specific circumstances and the advice of trusted automotive professionals.
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Some say it's a lifetime filter, no need to replace
Some Subaru owners claim that the fuel filter in their cars is a lifetime filter and does not need to be replaced. This contradicts the information in the car manual, which suggests replacing the fuel filter every 72,000 miles. However, some owners have reported driving over 250,000 miles without any issues with their fuel filters.
The fuel filter in a 2009 Subaru Impreza is located in the fuel tank, and it can be expensive and challenging to replace. It is not easily accessible, and some owners have reported that mechanics lack the precision required to replace it correctly. There is a risk of damaging the fuel gauge, which can cause inaccurate fuel level readings.
Some owners choose to replace the fuel filter only when there is an issue with it. It is important to note that the filter is located in the tank, and it is not a simple task to replace it. While it is not a costly part, the labour involved in replacing it can be expensive.
One owner reported that their local Subaru dealer said they only replace the filters if absolutely necessary. Additionally, some owners believe that the in-tank filter in their 2009 Subaru is designed to last a lifetime, and they have not experienced any issues.
It is worth noting that while some owners have reported successful experiences with lifetime filters, others have shared their concerns about the potential for issues. One owner recommended using top-tier-rated fuel for the Subaru to maintain the fuel filter's condition and avoid the need for premature replacement.
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Others say replace every 60,000-72,000 miles
The fuel filter in a 2009 Subaru Impreza is located in the fuel tank. It is recommended by some that the fuel filter be replaced every 60,000-72,000 miles. This is because, despite claims by Subaru that the filter is a lifetime item, it will eventually get clogged up and need replacing.
One owner of a 2009 Subaru Impreza reported that their in-tank filter was "done for" at 38,000 miles. Another owner replaced their in-tank filter at 90,000 miles, which is within the recommended interval.
It is important to note that replacing the fuel filter can be a tedious and expensive process, as it is located in the tank. Some owners have reported that they were unable to replace the filter themselves and had to take their car to a mechanic, which can be costly. Additionally, there is a risk of ruining the fuel gauge, causing inaccurate fuel level readings.
Therefore, it is recommended to carefully consider whether replacement is necessary and to be aware of the potential challenges and costs involved. Some owners choose to wait until there is an issue with the fuel filter before replacing it, rather than doing so preemptively.
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Frequently asked questions
The 2009 Subaru Impreza fuel filter is located inside the fuel tank, in the fuel sending unit.
There is no definitive answer to this. Some sources suggest replacement every 60,000-72,000 miles, while others claim the filter is a 'lifetime' component. Some Subaru dealers state they only replace the filter when the fuel pump goes.
The average cost for a Subaru Impreza fuel filter replacement is between $110 and $160. This may vary depending on where the parts and labour are sourced.
Replacing the fuel filter on a 2009 Subaru Impreza can be challenging and expensive, as it is located inside the fuel tank. It may be best to consult a mechanic or a Subaru dealer for advice and assistance.











































