
The Dodge Durango is a popular SUV known for its power, versatility, and comfort. The 2023 model offers a range of engine options and trim levels, each with unique features and fuel efficiency ratings. One issue that some drivers have encountered is difficulty when filling up the gas tank, with the pump nozzle repeatedly popping and interrupting the fuel flow. This problem appears to be more common when the tank is near empty. Several workarounds have been suggested by Durango owners, including holding the nozzle upside down and resting it on the fuel door, or holding the nozzle at a very low flow rate. Some owners have also had to replace the evap canister to address this issue.
| Characteristics | Values |
|---|---|
| Fuel tank capacity | 24.6 gallons |
| Fuel economy | 19 mpg city, 26 mpg highway, 22 mpg combined |
| Engine type | 3.6L V-6 (SXT, GT, Citadel), 5.7L V-8 (R/T & R/T Hemi Orange), 6.4L V-8 (SRT 392), supercharged 6.2L V-8 (SRT Hellcat) |
| Fuel efficiency (city) | 12 mpg |
| Fuel efficiency (highway) | 17 mpg |
| Fuel efficiency (combined) | 14 mpg |
| Maximum range (city driving) | 295.2 miles |
| Maximum range (highway driving) | 418.2 miles |
| Common issues with fueling | Issues with gas nozzle fitting properly, gas door getting stuck, trigger "popping" |
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What You'll Learn

Fuel tank capacity and engine options
The 2023 Dodge Durango has a 24.6-gallon (93-litre) fuel tank. The Durango's fuel economy depends on its engine type, and there are four engine options:
- 3.6L V-6 (SXT, GT, Citadel)
- 5.7L V-8 (R/T & R/T Hemi Orange)
- 6.4L V-8 (SRT 392)
- Supercharged 6.2L V-8 (SRT Hellcat)
The SXT is the base model, offering a balance between power and fuel efficiency with its 3.6L V-6 engine. The GT trim maintains the same engine but adds sporty elements, while the Citadel offers the option to upgrade to a more powerful 5.7L HEMI V-8 engine for increased performance.
The SRT Hellcat trim stands out with its supercharged 6.2L HEMI SRT V-8 engine, delivering an impressive 710 horsepower and accelerating from zero to 60 mph in just 3.5 seconds. This trim is for those seeking unmatched power and performance.
The Durango's fuel efficiency ranges from 19 mpg in the city to 26 mpg on the highway, with a combined rating of 22 mpg. However, it's important to note that these numbers may vary based on driving habits and maintenance practices.
Some Durango owners have reported challenges with refuelling their vehicles, experiencing issues such as a slow fill rate or a stuck gas door. These problems appear to be widely known within the Durango community, and workarounds like flipping the handle upside down or specific nozzle positioning have been suggested.
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Fuel efficiency and range
The standard 3.6L V6 engine with rear-wheel drive offers the best gas mileage, achieving 19 mpg in the city and 26 mpg on the highway. The all-wheel-drive version of the same engine provides slightly lower fuel efficiency, with 18 mpg in the city and 25 mpg on the highway.
If you're looking for more power, the 5.7L HEMI® V8 engine is an option, but it comes with a trade-off in fuel efficiency. The rear-wheel-drive version delivers 14 mpg in the city and 22 mpg on the highway, while the all-wheel-drive variant offers the same fuel efficiency.
For those seeking the ultimate performance, the SRT 392 trim with its 6.4L HEMI SRT V-8 engine offers impressive acceleration and high-performance features. This trim provides 13 mpg in the city and 19 mpg on the highway.
It's important to note that these fuel efficiency ratings are approximations and that real-world performance can vary due to factors such as driving style, traffic conditions, weather, terrain, and vehicle maintenance. Efficient driving habits and regular maintenance can help optimize your Durango's fuel consumption.
Additionally, some Durango owners have reported challenges with refuelling their vehicles due to issues with gas tank nozzles and stuck gas doors. These experiences vary across different models and years, and some workarounds have been suggested by the community.
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Problems filling up the tank
Several Dodge Durango owners have reported problems with filling up their tanks. Some have experienced issues with the gas tank overfilling and spilling out, while others have found it difficult to get gas into the tank at all.
One possible explanation for the overfilling issue is inadequate venting of the fuel tank during filling, coupled with damaged or clogged "overflow prevention venting" in the filling nozzles at certain gas stations. This problem is not unique to Dodge Durangos and affects other carmakers that have adopted the "no-cap" design. Additionally, there may be instances of faulty installation of the filler pipes or gas tanks, or restrictions in the fuel system that hinder proper venting.
As for the difficulty in filling the tank, some owners have suggested that it may be related to the amount of gas left in the tank when attempting to refuel. It appears to occur more frequently when the tank is near empty, and some have found success by ensuring the tank is at least a quarter full before refuelling. Others have shared a workaround by flipping the nozzle upside down and resting it on the fuel door, allowing for a faster flow rate.
In some cases, the issue may be attributed to a faulty evap canister, which is responsible for allowing air to escape while filling the tank. Replacing this component has been suggested as a potential solution. Additionally, leaving the gas pump in the tank for a few seconds before starting to fill it up has been reported to help mitigate the problem.
It is recommended that owners experiencing these issues consult authorised dealers, especially if their vehicles are still under warranty.
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Replacing the evap canister
The EVAP system in your Dodge Durango is there to prevent harmful emissions and increase fuel mileage. When the tank is topped off, the charcoal canister may fill with fuel, causing system failure and degradation of the charcoal canister. This may cause difficulty starting the engine, a rough idle, and poor fuel mileage. A vehicle with an EVAP system issue can be driven but may achieve lower fuel mileage. A vehicle with a faulty EVAP system will not pass standardized state or federal emission testing.
To replace the EVAP canister, begin by disconnecting the battery and taking proper precautions against fire hazards. The exact process of replacing the EVAP canister will depend on your specific model of Durango; for example, to access the canister on a 2009 Ram, the wheel well cover on the back right side must be removed. Once you have accessed the EVAP canister, replace it with a new one.
The average cost for a Dodge Durango Fuel Evaporative Canister Replacement is between $397 and $431, but this may vary from car to car. The EVAP system is best serviced by an experienced DIYer or a professional technician. Repairing the EVAP system can be challenging, but with a proper understanding of the system, the job can become enjoyable. The biggest mistake is to start changing parts based on hunches and misdiagnoses, which can make the job more expensive than bringing the problem to a professional.
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How to lower the gas tank
To open the gas tank of a Dodge Durango, start by turning off the car, putting it in Park, and unlocking the doors. Exit the vehicle and locate the fuel tank door on the left side of the car. To open it, push and release the center-rear edge of the fuel door. The tank will pop open, allowing you to refuel.
If the fuel door is stuck and does not open, you may need to use the emergency fuel cap release button, which is located on the left side of the trunk. Pressing this button will open the fuel tank.
Now, to lower the gas tank, you will need to make the necessary disconnects at the fuel pump. You can safely lower the tank below the frame rail and access it from the side. It is recommended to block up the rear of the tank with a 4"x4" piece of wood to avoid putting strain on the fuel and electrical connections.
When servicing the fuel pump module, always replace the module gasket. Position the new gasket and the fuel pump module into the opening in the fuel tank, ensuring that the rubber gasket remains in place. Rotate the pump module assembly until it is correctly positioned. This step is crucial to prevent the float/float rod from contacting the sides of the fuel tank.
Before installing the lockring, apply a small amount of engine oil to the six fingers where they meet the lockring to act as a lubricant. Position the lockring over the top of the fuel pump module and tighten it finger-tight. Finally, install the lockring by rotating it clockwise using a brass or bronze drift punch and a hammer. Continue rotating until the six fingers drop into the six finger locks and the lock tab falls into the lockring notch.
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