- Seals off your fuel tank and prevents contaminants in your gas supply
- Plays an important role in the EVAP system
- Easy to replace on your own
The Fuel Tank Cap on your Nissan isn't commonly talked about. You take off the Fuel Tank Cap, fill up your tank, and then tighten it back into place each time you fuel up, but that's probably the only time you think to acknowledge your fuel cap.
Your Fuel Tank Cap has an important purpose in the efficiency of your Nissan's fuel system. For starters, it provides a seal for your fuel tank and stops moisture, debris, and dirt from getting into your gasoline. But, it has another purpose, too. The Fuel Tank Cap is also a component of the EVAP, or evaporative emissions system, within your Nissan.
When your engine is running, your fuel temperature rises, and it emits dangerous byproducts. But, with the Fuel Tank Cap in place, the EVAP system helps capture those fumes to prevent them from being released into the air around your vehicle.
If you aren't able to click your Fuel Tank Cap into place, or if it frequently loosens even after you've tightened it completely, you probably have a worn out gas tank cap. Because the cap is part of your EVAP system, your check engine light may come on if your gas cap is malfunctioning. Other indicators of a damaged or worn Fuel Tank Cap can include smelling gasoline while driving and diminished fuel mileage with no significant change in your travel behaviors.
Consider the downsides to a Fuel Tank Cap that's not working as it should. A Fuel Tank Cap that doesn't seal properly may push dangerous fumes into the environment, but it can also create other significant problems inside your Nissan and its engine. A worn out Fuel Tank Cap can diminish engine performance, lessen your fuel efficiency, and create messy fuel leaks. Replace your Nissan Fuel Tank Cap as soon as you realize that it is not operating as it should.
Replacing your Fuel Tank Cap is fast and easy, and you can do it yourself. Just be sure to shop directly with Nissan Genuine Parts to enjoy a perfect fit for your model and trim.
This Fuel Tank Cap, part 17251JM00B, will fit the following: Nissan Juke, Nissan Rogue, or Nissan Versa. Click on the What This Fits section for more details.
CAP ASSY-FILLER