Does Autozone Sell Gas Caps?

FAQs Jackson Bowman November 14, 2022

How much does a new gas cap cost?

Tighten or Replace Fuel Cap: The first thing to do when your car or truck’s check engine light stays on is to make sure the vehicle’s gas cap is tightened securely, as a loose cap can easily damage the exhaust system. It only costs approx. $16 to have it replaced.

What can I use if I don’t have a gas cap?

A temporary gas cap can be made from a variety of things you may have lying around the house, including aluminium foil, a plastic cap, part of a plastic bag, and cork. It may also be possible to borrow the fuel cap from other power tools you own.

Are car gas caps universal?

Fuel filler caps are not entirely universal. Filler neck sizes for all vehicles vary by make and model and so do filler caps. Our listed recommendations come from some of the best selling manufacturers on the market and are designed for specific pen sizes.

Do all gas caps fit any car?

Most gas caps are universal and will fit any car or SUV. But there may be exceptions. Typically, gas caps have a diameter of 55-57 mm or 58-60 mm including the thread.

Can I replace a gas cap myself?

The cap should be completely clear at this point. Remove it by simply prying it off the fuel tank opening neck. Keep the old cap until you are sure the replacement cap will fit and install properly. After removing the old gas cap, you can mount a new gas cap.

Can you drive a car with no gas cap?

According to How Stuff Works, “Sealing the fuel tank with the gas cap helps your fuel system maintain the proper pressure, which in turn helps your car run smoothly. Those are the main purposes it serves.” Despite this purpose, you can drive off the pump without a cap.

What happens if you lose the gas cap?

A missing gas cap can also prevent your vehicle from passing all required government inspections, even if it’s a newer model. Gas caps allow the system to normalize air pressure, an essential function in normal vacuum situations.

Why is there no gas cap on new cars?

Around it is a rubber O-ring to seal the filler hole and prevent fuel and fumes from escaping. So it works just like a gas cap, except you never have to remove it, replace it, tighten it, or go back to the gas station because you accidentally left it on the pump and drove away.

Will check engine light go off after tightening gas cap?

The check engine light should go out after a few minutes of driving if the light is caused by a loose fuel cap. After the Check Engine Light experience, pay attention to the dashboard. If you find the light keeps coming on and off as soon as you tighten the gas cap, then your gas cap is too loose.

How do I know what kind of gas cap I need?

The replacement is easy, just go to your local NAPA auto parts store and tell the counter person the make, model and year of your vehicle and they will sell you the gas cap you need. Just make sure you hear that “click” every time you put the cap back on, because if you don’t, you’re only asking for trouble.

How often should I replace my gas cap?

As long as you don’t lose your gas cap, you won’t be in a hurry to replace it. Gas caps are designed to last 50,000 miles or more. As long as you bring your car in for routine service, if there’s ever a problem with your gas cap, you’ll be notified immediately by your trusted Indianapolis auto mechanic.

Are aftermarket gas caps any good?

Never buy aftermarket or locking gas caps. They don’t seal properly most of the time and can cause your check engine light to come on. Do not turn on your vehicle until the gas cap is properly reinstalled or your check engine light comes on and you may need to take it to the service department for a reset.

Why is my gas cap not sealing?

If the gas cap gasket is pinched, dirty, cracked or broken, this can result in the gas cap not sealing properly and most likely not “clicking”. There are a few other parts, but they do not affect the ability of the caps to attach to the gas tank.

Why do gas caps click?

How do I know if I need a new gas cap?

The most common symptom of a bad gas cap is a loose gas cap or a gas cap that does not tighten all the way. This may seem insignificant, but if it is not completely sealed, the fuel system can become contaminated with dirt and grime.

How do you reset check engine light after replacing gas cap?

Just take off your gas cap and put it back. Turn on your car and the check engine light may have already reset. If not, it may take a few cycles of turning your car off and back on to reset it. In some cases, driving around a few kilometers also helps.

How much gas do you lose without a gas cap?

A broken or missing gas cap can reduce your fuel efficiency by 1% to 2%. You see, the gas cap keeps evaporation and – believe it or not – gas in place. These vapors are used by your car, but if there is no cap, the vapors will pollute the air with no real benefit to you or anyone.

Is a gas cap necessary?

You absolutely need a gas cap for your car. The gas cap may be small, despised and more often forgotten, but it plays an important role in a car. The fuel cap guarantees your safety in the event of an accident by preventing petrol from leaking. If your car rolls without a gas cap, you could be in grave danger.



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