Ameer Randolph
The fuel tank in a car is responsible for storing engine fuel and is usually mounted to the bottom rear of the vehicle. The fuel tank in a Hyundai Accent is no exception, and depending on the model year, its capacity ranges from 11.9 gallons to 12.4 gallons. The fuel tank pressure sensor on the 2015 Hyundai Accent is located on top of the fuel pump assembly, which is mounted on top of the fuel tank. The 2021 and 2022 Hyundai Accent models offer impressive fuel economy, with the latter delivering an EPA-estimated 33 city and 41 highway mpg with a 36 combined mpg.
| Characteristics | Values |
|---|---|
| Fuel tank capacity | 11.9 gallons |
| Fuel economy | 29 mpg in the city, 39 mpg on the highway, and 33 mpg combined (manual transmission models); 33 city and 41 highway mpg with a 36 combined mpg (automatic transmission models) |
| Driving range | 382.7 miles (manual models); 428.4 miles (automatic models) |
| Fuel tank location | Mounted to the bottom rear of the vehicle |
| Fuel tank pressure sensor location | Mounted to the top of the fuel pump assembly, which is located on the top of the fuel tank |
| Fuel tank replacement cost | Between $1,083 and $1,420 |
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What You'll Learn
- The 2021 Hyundai Accent has an 11.9-gallon fuel tank
- Fuel tank replacement costs between $1,083 and $1,420
- Fuel tank leaks may cause the engine not to start
- The fuel tank pressure sensor is mounted to the top of the fuel pump assembly
- Fuel tank corrosion is more likely in environments with extreme temperature fluctuations
The 2021 Hyundai Accent has an 11.9-gallon fuel tank
The fuel tank in the 2021 Hyundai Accent is likely mounted to the bottom rear of the vehicle, as is standard for most cars. This component combines electricity and fuel, and it is part of the evaporative emissions control system and the fuel delivery system. The fuel delivery system includes the fuel tank filler neck, which connects to the fill spout. When filling up the tank, the check valve or release valve in the filler neck allows fuel to enter the tank, replacing the air inside. Once the tank is full, the pressure signals the fuel pump to stop sending fuel.
The fuel tank pressure sensor is typically mounted to the top of the fuel pump assembly, which is located on top of the fuel tank. In some models, there may be an 'access door' under the rear seat that allows for entry to the fuel tank area. It is important to note that fuel tanks are large, heavy, and cumbersome, so replacing them can be challenging. If you suspect an issue with your fuel tank, it is best to consult a professional technician.
Corrosion is a common issue with metal fuel tanks, especially in environments with extreme temperature fluctuations, humidity, sand, salt, or deep water. Modern vehicles often have plastic tanks that are impervious to corrosion. However, integrated emissions components can still fail and require replacement. A leaking fuel tank can cause issues with engine startup, rough idling, and poor fuel mileage. Additionally, debris and rust inside the tank can contaminate the fuel and require filtering before the vehicle can be safely operated again.
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Fuel tank replacement costs between $1,083 and $1,420
The fuel tank in most vehicles is mounted to the bottom rear of the car. In the case of the Hyundai Accent, the fuel tank has a capacity of 11.9 gallons, which offers an impressive fuel economy.
Fuel tanks are cumbersome and heavy, and while a DIY enthusiast might be able to handle the repair, it is advised to have an assistant to prevent injury or damage to the vehicle. If you are uncomfortable with the task, it is best to leave it to a professional technician.
Fuel tank issues can be caused by corrosion, debris, and rust, which can damage the fuel delivery system. A leaking fuel tank can also cause difficulty in starting the engine, a rough idle, and poor fuel mileage. A leaking fuel tank should not be driven and must be replaced.
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Fuel tank leaks may cause the engine not to start
The fuel tank in a Hyundai Accent is mounted to the bottom rear of the vehicle. Fuel tanks are typically made of metal or plastic and may be built with the fuel pump inside the tank. Over time, a fuel tank may corrode and begin to leak. Fuel tank leaks can be dangerous, as they may allow flammable vapors to escape the tank, leading to a fire or explosion risk.
A leaking fuel tank may also cause difficulty starting the engine. If you notice a fuel smell or pooling underneath the rear of the vehicle, this could indicate a fuel tank leak. A mechanic can inspect the vehicle and determine the origin of the leak. The check engine light may also illuminate, accompanied by a popping sound as the leak detection pump attempts to pressurize the fuel tank.
If the fuel tank is corroded, the exterior may not show any damage, but the inside of the tank may be rusted, with rust flakes or debris floating in the fuel. In this case, the vehicle should not be driven, as the corrosion and debris can enter the fuel delivery system. The fuel should be filtered, and the fuel tank and filter replaced before attempting to start the engine.
Fuel tank leaks can also cause a rough idle and poor fuel mileage. In some cases, the entire tank may need to be replaced, which can be costly, ranging from $1,083 to $1,420 for a Hyundai Accent. However, a mechanic may be able to repair the gas tank without replacing it. It is important to address fuel leaks immediately, as they will only worsen over time.
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The fuel tank pressure sensor is mounted to the top of the fuel pump assembly
The fuel tank in a Hyundai Accent is located at the bottom rear of the vehicle. It has a capacity of 11.9 gallons of fuel, which offers a range of 382.7 miles in manual models and 428.4 miles in automatic models.
The fuel tank pressure sensor is an important component of the fuel tank assembly. It is mounted to the top of the fuel pump assembly, which is located on top of the fuel tank. This sensor is responsible for monitoring the pressure in the fuel tank and plays a crucial role in the evaporative emissions (EVAP) system. When the EVAP system is checked, the purge valve and vent valve are closed, and the pressure is monitored by the fuel tank pressure sensor. If the pressure drops with the valves closed, it indicates a leak in the EVAP system.
The fuel tank pressure sensor constantly reads the pressure in the fuel tank and helps control fuel vapour emissions. It alerts the car's computer if there is an unexpected drop or increase in pressure. If the sensor detects abnormal pressure readings, the computer will turn on the check engine light, indicating a potential issue with the EVAP system.
In some Hyundai Accent models, a popping sound may accompany the check engine light. This sound is caused by the leak detection pump continuously attempting to pressurize the fuel tank. While a vehicle with an EVAP system issue can still be driven, it may experience lower fuel mileage and a rough driving experience.
Replacing the fuel tank pressure sensor in a Hyundai Accent typically costs between $393 and $456, but the price can vary depending on the specific model and other factors. It is important to consult a certified technician or seek professional assistance if you suspect any issues with your fuel tank pressure sensor or EVAP system.
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Fuel tank corrosion is more likely in environments with extreme temperature fluctuations
The fuel tank in a Hyundai Accent is located at the bottom rear of the vehicle, as is common with most cars. It has an 11.9-gallon capacity and offers an impressive fuel economy.
Fuel tank corrosion is a common issue, especially in environments with extreme temperature fluctuations. This is because the cyclic expansion and contraction of tank materials can cause wear over time, leading to stress fractures and weakened welds. This is further exacerbated by the presence of moisture, which can lead to rust and corrosion, causing fuel contamination and even engine failure.
Corrosion is a significant risk to fuel tank integrity, and it can lead to leakage and potential catastrophic failure. This is true for both indoor and outdoor tanks, although outdoor tanks are more susceptible due to their exposure to the elements. The sun's ultraviolet (UV) rays can also degrade protective coatings on tanks, causing material fatigue and embrittlement. Environmental debris can further accelerate corrosion and surface erosion, making it crucial to implement proactive protective measures.
To combat corrosion, modern fuel tank designs utilize corrosion-resistant alloys, temperature-resistant insulation, and UV-deflecting coatings. Double-walled tanks provide an extra layer of protection, creating a built-in secondary containment system. Additionally, preventative maintenance, including regular inspections and cleaning, is vital to identify and address issues early on.
In some cases, fuel tank corrosion may be due to aggressive chemical contaminants in the fuel or water build-up in the tank. It is important to detect contamination early and address any issues to prevent equipment failure.
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Frequently asked questions
The fuel tank is typically mounted to the bottom rear of the car.
The 2021 and 2022 Hyundai Accent models have a fuel tank capacity of 11.9 gallons.
A damaged fuel tank may cause difficulty in starting the engine, a rough idle, and poor fuel mileage. A leaking fuel tank may also cause the engine light to turn on.
