Car smells like gasoline but i cant find a leak

Canister also collects excess vapor going out from the fuel tank to minimize emission exiting the system. If the canister leaks or cracks through its damaged vent or seal, you will smell a strong gas fume in your car.

That can make the check engine light turned on. Gas leaks is another reason causing car smells like gas inside. You can check whether your car has gas leaks or not by looking for black puddles underneath the car. It the car has black puddles, here are some several things for you to check out:. Punctured or old fuel tanks often causes gas leaks. The best way to fix this problem is to remove the tank totally.

By doing that, the mechanic can check it thoroughly for fixing or replacement. Additionally, a leak in fuel tank vent hose can produce un-burned gas coming out of the fuel system and changing into mist or vapor. Thus, to keep everyone safe, you have to let the professional mechanic fix the leaks immediately as gas puddles and gas fumes can cause fire.

Injector leaks are caused from their o-ring seal or rubber. Every injectors has rubber seal placed at the bottom and an o-ring located at the top. These components are prone to be broken by dryness. To fix this problem, you just need to replace the damaged o-ring or seal.

3. The Gas Cap Matters

To inspect the injector condition, you have to open the car hood and check the injector in the fuel rail. Turn the engine on. If you find out that fuel stored around the injector, it will be the reason makes your car smells like gas. A leak in the fuel injection line can cause a strong gas smell once you park your car. The function of fuel injection is promoting higher pressure along the fuel lines. In new cars, the pressure is from 60 psi to psi.

6 Most Common Reasons Why A Car Smells Like Gas? - CAR FROM JAPAN

If there is any problem in fuel injection such as weak fitting, the fuel will spread out from different parts of the line. This leads to mist and vapor which create gas smell. Actually this is very hazardous if the leak is near the exhaust or engine. Additionally, gas mist is very dangerous for health.

If a person breathes in gas fume, he will suffer dizziness or headaches, finally leading to brain damage in long-term if these leaks are not fixed immediately. Fuel lines connect the fuel tank and the engine. They are found underneath cars. Debris and different elements along the road can easily crush fuel lines. Ones which are made of rubber are prone to leaks when they are used for several years or are broken by a clumsy mechanic. A bad fuel pressure is one of the potential reasons that make a car smells like gas.

A failed pressure regulator can cause your car burn fuel until the mixture gets too rich or too thin. Burning more fuel may cause gas fumes inside the exhaust. Gas fumes will also come inside the car if a leak makes the exhaust enter the ventilation system. In this case, smell is not the only symptoms of fuel pressure regulator fail. Another warning sign is weaker power and fuel efficiency.

1. The Oil Cap's O-Ring or Gasket

Vehicles made in the early s or earlier are likely to release a faint odor of gasoline after shut off. It happens because of the fuel afterboil in the float bowl of the carburetor. It is completely normal if you notice the odor only after shutting the car off and it dissipates after a while. Hopefully after reading our article, you get useful information about the reasons behind fuel smell in car and know how to fix it. If you have any question about this topic or want to know any car maintenance tip , feel free to leave us a comment below. We will answer your question in the next article.

Tsukasa Azuma is an awesome car blogger of Car From Japan. He suggested driving it around a bit and calling him to let him know I was on the way so that he could get into the shop as soon as I come to a stop to try to smell what I am smelling. Aside from that he's basically telling me there's nothing he can do. Should I take it to another mechanic? Just ignoring this continuing problem seems like a terrible idea to me. I'm completely car ignorant but I was under the impression that if you have a problem with a car you troubleshoot until you find the source.

If it isn't a leak then surely there is some other thing that could cause the smell of gasoline when I come to a stop? He said that the reason I only smell it then was because the wind carried the smell away while I'm driving. However I let my car idle for 5 minutes after I started it and I didn't smell fuel then.

How to Diagnose Car Leaks by Location, Color, Smell, and Consistency

I also noticed that when I make local trips that don't go much faster than 35mph I don't smell it, whether stopped or moving. My father who worked on cars is telling me the same thing the mechanic said, that without an obvious leak there's nothing they can do. I'm scared to drive my car and I could really use some advice from someone who knows how the mechanical troubleshooting process works.

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I just don't know what to do because obviously I don't want my car to catch fire and I've read that's a danger when you smell gas. I'm not trying to sound critical of the mechanic I'm just at a loss for what to do. I feel like driving a car you know has a problem is a bad idea. I heard you need to tighten up the fuel lines on the driver's side near the battery. Seemed to help me. Since it doesn't smell when it's not moving, my guess would be a tank leak above the fluid level.

Gas sloshes around in regular driving. The only way to find that out is to drop the tank and see.

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I had the same symptoms and also found that the problem was a hole at the top of the gas tank. Is that something that would be time consuming for them to check? Money is extremely tight. I had a similar problem, the smell of gasoline but the shop couldnt figure it out.

It turned out to be a tiny rust hole near the top of the gas tank on the side that got progressively worse and started leaking badly. It only leaked if the tank was filled more than halfway. This might not be your problem but its a possibility. I have a 98 legacy and I smell petrol a lot of the time. I have googled and asked mechanic friends for the answer and on the whole it leads to a clogged ventilation hole for the tank.

I find it veeeery unlikely that the vehicle is unsafe for use because of that smell.