Your fuel cap does more than you would think. Obviously, it seals your fuel tank to keep contaminants out. If you accidentally left yours at the station during your last fill up, this is for you.
Not only does it seal your tank, it allows venting to keep your fuel flowing freely. It is such an important aspect that if you do not tighten it properly, a check engine light can occur.
If yours is lost, misplaced, or not functioning properly anymore, replace it with one from ECS Tuning.
A common source of emission test failures. Over time gas caps lose their ability to hold pressure, resulting in check engine lights.
This Part Fits the Following Vehicles