Q: light smell of gas - 2016 Hyundai Elantra
a couple of separate times I noticed a smell of gas from outside near the cap when car is idle, no smell coming from the front hood and no noticeable leakage or dripping whatsoever, smell can only be smelled from outside, it's light and and usually fades shortly after turning off. I have the a/c on most of the time for what its worth and it doesn't bring any odor inside.
My car has an automatic transmission.
Recommended Services
| Smell in the car Inspection | $94.99 - $114.99 | Get a Quote |
Hi. It sounds like you are getting a gas vapor odor from a fuel tank venting system. The system is supposed to store the fumes in a carbon canister, and if excessive pressure builds up, this will vent to this canister. You should have the system checked for leaks of vapor.
The statements expressed above are only for informational purposes and should be independently verified. Please see our
terms of service
for more details
Get an instant quote for your car
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
What others are asking
Car overheating and heater blowing cold air.
When a car overheats, it is an indication that there is a problem with the engine cooling system. The purpose of the engine cooling system is to keep the engine at a temperature that is consistent. If the temperature of...
Service stable track light is on, service traction control lights on, rough idle. New throttle body.
Having symptoms such as this after having something like a throttle body replacement definitely suggests something went wrong with the installation, but not necessarily so. Coincidences happen every day in automotive. If I were working on this vehicle, I would...
intake leak and sputters and dies
This could be a variety of issues causing the rough idling. The oil leak at the intake suggests you may have a blown head gasket. Has the car gotten abnormally hot (https://www.yourmechanic.com/services/car-is-overheating-inspection)? If so, this could explain the leak and...
For three days, car won't start and jump-started - 2014 Ford C-Max
Hello. Although this may sound like a simple answer, it is very possible that you could have a loose ground connection near your battery. This is often times overlooked by even the best mechanics because it is such a simple...
Misfire code 302 cylinder 2
Hey there. Your logic is absolutely correct. This is in fact one of the most commonly used ways to diagnose a bad ignition coil. If the trouble code turns to a P0301 (https://www.yourmechanic.com/article/p0301-obd-ii-trouble-code-cylinder-1-misfire-detected-by-jamahl-walker), the ignition coil is faulty (https://www.yourmechanic.com/services/ignition-coil-replacement). If...
Starting Issues - 2007 Nissan Frontier
Hey there. If you have confirmed that you have spark, then this by default should be related to a fuel supply problem. Since you have replaced the fuel pump, you may want to also check the fuel pressure to be...
Key stuck in ignition will not turn.
Hello. Thanks for writing in. The key will not come out (https://www.yourmechanic.com/services/ignition-key-is-stuck-and-does-not-turn-inspection) because the ignition cylinder is not in the off position. This is standard. The first thing to check is that the shift lever is in the park position....
Can't go forward but I can go backwards, middle of winter. It's like truck holds when I put it into drive
I am assuming that your truck has drum brakes in the rear, so please understand that this is where the following comments are coming from. If you use your parking brake in extremely cold conditions, especially on older vehicles that...
Related articles
The Best Used Cars to Buy If Safety is #1
Maybe Maybe you’re a parent buying the first car for your teenager, or perhaps you’re a new parent and the safety of your little one is of the utmost importance. Or perhaps you're a safety-minded individual looking to make a...
What is MPGe: electric car fuel economy ratings explained
When When you tell your friends and family that you bought a new car, inevitably the first question you’ll get is, “What kind of gas mileage does it get?” The question assumes that you’ve purchased an internal combustion vehicle, not...
How to Make Ethanol Fuel
Ethanol fuel is an alcohol-based type of biofuel (https://www.yourmechanic.com/article/5-essential-things-to-know-about-biofuel) that is used as a popular alternative to gasoline. It is made from distilled plant and biodegradable materials, such as corn and sugar, as opposed to regular gasoline, which is made...
Browse other content
Cities
Maintenance