An image of a hand holding a tire pressure guage close to a car tire

What Should Tire Pressure be on a Car? (FAQ)

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As different cars come with different load capacities, maximum speed, and different tire sizes having the proper tire pressure is absolutely critical when it comes to safely and comfortably drive your car.

Additionally, not only is it a safety issue but an efficiency one; what should tire pressure be on a car? This is a common question for most motorists.

What is Tire Pressure?

Modern day cars run on pneumatic tires that are activated by compressed air. The air gives the cushioning effect to your car while it is running on the surface of the road.

The measure of air filled into your car tire at the rate specified by the manufacturer is the Tire Pressure.

What Tire Pressure Should be on a Car

The measurement of tire pressure is in PSI or pounds per square inch, normally the correct pressure is in the ranges of 30 to 35 PSI.

Note that Pressure sizes written on the side of tires only show the capacity of pressure that tire can hold and it has nothing to do with the right pressure for the car

image of a car tire showing the details written on the side

In some circumstances, you will be advised by professionals to have higher or lower tire air pressure based on special driving conditions.

But you can always look up the specific recommended tire pressure as revealed below.

How To Find The Recommended Car Tire Pressure?

Each tire has its own recommended air pressure (known as the OPTIMUM) and the air must be filled up to this pressure to perform smoothly.

There are several places in your automobile where you can locate the manufacturer’s optimum:

1) The manufacturers of the cars are following a standard practice of pasting a placard or sticker at the backside frame of the driver’s entrance door giving the details of the tires, their size and the exact range of tire air pressure that must be used to inflate the front and back tires.

Image of the sticker where the correct tire pressure information is located by the car manufacturer

This is the air pressure recommended for your car tires and you must follow this always to get the best performance out of your car tires.

2) Another place to find it is in the car manual that was given to you along with the car.

An image of a car manual showing the optimum recommended tire pressure

The tires come in different sizes and they must be inflated at the right pressure for the car to perform well as under-inflated tires lead to more fuel consumption.

How to Maintain The Right Tire Pressure?

It is not enough to know your recommended PSI. You need to check your tires on a regular basis. A tire pressure monitoring device could come handy here.



You need to consider the following in maintaining the right tire pressure

• You will need to look up for your car’s correct tire pressure. This can be found on a tire and loading information label affixed to the side of your driver’s door post, door edge, or the inside of your glove compartment. You will find it in your owner’s manual as well.

• You’ll check your current tire pressure using a tire pressure gauge. Check your spare tire as well. Many of the spare tires are having higher pressure recommendations compared to the regular tires, so ensure to check the owner’s manual.

• Add or Remove Air, You need to let out some air If the pressure reading is higher than the recommended level, Do not release air when your car tires are warm! You may end up releasing too much air, this will cause your tires to be under-inflated.

• When the pressure reading is below the recommended level, you will be required to add more air to your tires using a tire pump machine.



How Important is Tire Pressure For Cars & Drivers?

There are many advantages of maintaining the right air pressure of your car tires, including.

• Give smoother rides for the car.
• Maintain the right braking efficiency.
• Helps tires to perform in a better manner
• Help the engine perform at the right rating.
• Increase the life of the tires.
• Add comfort of the ride making the passengers enjoy their trip.
• Add to the safety of the car and passengers by preventing blowouts during the riding and saving from losing control of the car.
• Most of the safety and driver assistance functions in the car depend on the right tire air pressure to function properly.
• Give best balance to the car adding to the steering and comfort while driving the car.
• Give better control of the car with the right handling ability.
• Increases fuel economy
• Prevent uneven tire wear and damage to the tires thereby increasing its lifetime.
Etc.

How Often Should Tire Pressure Be Checked?

You need to check the air pressure at least once in a month when you are driving within your normal area. But check the air pressure compulsorily before starting on a long drive.

Most of the modern cars come with Tire Pressure Monitoring Systems and you have to monitor their reading and go for inflating your tires to the recommended pressure when the air pressure in the tire falls below a certain psi rate.

Always, I cannot stress this enough, check air pressure when the tire is cold to get the correct pressure reading.

How to Measure Tire Pressure?

Checking tire pressure is easy. You are capable of doing it right at the gas station or at home. Just ensure to check your car pressure when the tires are cold or they have not been driven in several hours. This will give you the most accurate reading.

The most important piece of equipment you need is an accurate tire pressure gauge.
It is good to have the PSI recommended by your manufacturer at hand when checking for your tire pressure, and then follow the below steps:

• On the air valves of your tires, Remove the end caps
• You will put your tire pressure gauge inside the valve stem then press down very fast to get the reading.
• Measure the PSI and Compare it to the recommended PSI of your reading.
• When the reading is higher than the recommendation, you will push the valve in to let out some air.
• If the PSI reading is lower than the recommendation, you’ll fill your tire with air until the ideal level is reached.

Conclusion

Maintaining and knowing the correct air pressure is very important for the longevity and safety of your tires. It only takes is a few minutes of your time and a tire pressure gauge.

No readout is as reliable as your readout. Take matters into your own hands and be proactive about checking your own tire pressure.



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