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What Issues Can A Malfunctioning Gas Cap Cause?

what issues can a malfunctioning gas cap cause?

Visit Beck & Masten Buick GMC South to learn about the issues a malfunctioning gas cap can cause.

The first of many symptoms of faulty gas cap is likely going to be a loose gas cap or a gas cap that will not tighten completely. This might not seem important right away, but without an air-tight seal, the entire fuel system can be exposed to dirt and grime. If the gas cap is not fitting properly, check the gasket to make sure it’s not missing or brittle. If you have an old car, be sure the metal gas cap isn’t bent or damaged. Both can lead to the gas cap issues and might require purchasing a replacement from the original manufacturer.


No Gas Cap on New Cars?

Can a Bad Gas Cap Cause Stalling?

If your car, truck, or SUV wasn’t made with a capless gas tank, you shouldn’t drive without a gas cap. If your car is older, there is a chance that fuel could slosh out from the gas tank during aggressive cornering or other spirited driving. Driving without a gas cap could lead to reduced fuel economy because the gas could evaporate without a fully-sealed tank. The smell is the gasoline evaporating from the gas tank, causing diminished fuel economy.

What Causes a Gas Cap Check Engine Light?

Gas Cap Check Engine Light, How Does It Happen?

What issues can an ill-fitting gas cap cause, well a check engine light just for starters? An ill-fitting gas cap will not only let in grime and dirt, but it can also allow fuel vapors to escape the fuel tank. These gasoline vapors can cause errors in the emissions system, which could light up the check engine light. Grime that seeps into the fuel tank could also damage fuel injectors. The biggest sign of a bad gas cap is the gasoline smell in your vehicle.

Signs of Bad Gas?

Signs of Bad Gas

If you’ve already looked at the gas cap, the problems you’re having might be caused by contaminated fuel. If a car, truck, or SUV has problems starting, won’t accelerate, or just is not running smoothly, then you might just have a bad tank of gas.
If your car, truck, or SUV doesn’t feel right and you are not sure if it’s bad fuel or just a bad gas cap, bring it here, and our knowledgeable service technicians will diagnose the problem and give you options for fixing the problem.


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Schedule Service for a Buick GMC In Houston

Visit Beck & Masten Buick GMC South for all of your Houston Buick GMC service needs. No matter your vehicle’s make or model, we will gladly provide the service it needs. Our helpful staff is standing by to assist you. Visit us in person or online to schedule your service appointment.

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Beck & Masten South 29.6114, -95.2127.