What Tire Pressure Is Too Low

What tire pressure is too low? Any tire pressure below the recommended PSI is considered lower. In most vehicles, tire pressure lower than 35 PSI is considered low. Read on to know more.

Many times, people don’t look up at the tire pressure, even if it’s low. Driving your vehicle at low tire pressure can lower the lifespan of the tire. But they should as it affects the overall performance of the car.

Many people ask this question: What tire pressure is too low? In most vehicles, you will see that the recommended tire pressure is around 35 PSI. Some vehicles may have even more. Usually, manufacturers put a sticker on the vehicle showing the recommended PSI for your car. The amount of pressure a vehicle requires usually depends on cold tire temperature. Let us look at what affects the tire pressure and what you can do to avoid it.


What Tire Pressure Is Too Low


In this article, let us further look at:

  • Why is it necessary to keep checking tire pressure?
  • What are the signs of low tire pressure in your vehicle?
  • What will happen if your vehicle’s air pressure is low?
  • Is it OK for the tire to lose pressure?
  • Is 35 tire pressure too low?
  • Can you drive on low-pressure tires?
  • Is 40 too high for tire pressure?

Why Is It Necessary To Keep Checking Tire Pressure?

It is necessary to keep a check on your tire pressure often. This is because if it is underinflated, it has a chance of a blowout. If you have ever seen a tire blowout you would know how big of a problem it can be. So if the air pressure of your vehicle is low, many times, the sidewalls of the tires flex out, and the heat gets inside it, causing the tire to blow out.

So it is essential to keep a check on tire pressure for better performance and traction of your vehicle.

What Are The Signs of Low Tire Pressure Of Your Vehicle?

Nowadays, the TPMS system is equipped in every vehicle that shows the tire pressure of your vehicle. The TPMS system alerts the driver if the air pressure is low.

Low Tire Pressure May Affect The Fuel Efficiency

Usually, when your vehicle’s tires are properly inflated, it has the best fuel economy and gives a better overall performance. But if the tire pressure is lower, it may badly affect the fuel efficiency. 

Just think you are riding a bike. When your tires have proper air-filled, you will find it easy to ride while applying too much pressure. But if it has low air, you need to apply more pressure. This is the same case with your vehicle. It requires more fuel and energy if the tire pressure is low.

Though you may not see a lot of difference if the pressure is slightly low, if you ride your vehicle at high speed, you may see a huge difference.


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Tire Wears Out

If the tire pressure is low, your vehicle may not perform well. The tire wears out, and you will find the sidewalls of the tire flex out more. Usually, there is a uniform tread around the tire’s sidewalls, but if it is underinflated, the tire flexes or wears out from the sides. The traction and movement of the vehicle will be lower and may not be very stable. 

Steering Issues

Sometimes you will find your vehicle is taking time to turn as it usually used to, which can be due to low air pressure in your tire. Most of the vehicles are built to be handled in a specific way. And low tire pressure will have an adverse effect.

So if you drive your vehicle for quite some time, you will be able to find what it feels like. You may even find your vehicle getting pulled from one side and may find it challenging to drive on a straight road. Your car may even lose traction due to bad weather conditions.

So if you find any such issue, you should quickly check your tire pressure and get the problem fixed soon. 


What Tire Pressure Is Too Low


Your Vehicle May Take Time To Stop

Sometimes you may find your car is taking a long time to stop than it usually does. This is one of the signs of sub-optimal tire pressure. The tire may not be able to get the proper grip on the road due to low tire pressure.

What Will Happen If Your Vehicle’s Air Pressure Is Low?

Many people drive their vehicles even if the pressure in the vehicle’s tire is low. There is a lot of risks involved. Let us look at what can happen if the pressure is too low.

Vehicle’s Handling Issue 

As mentioned above, if the pressure is low, you may face steering issues, and your vehicle may not perform as usual. If you are driving in poor weather, then it will even worsen the situation. 

If the tires are underinflated and you are driving at high speed, you may lose control of your vehicle, and it may cause an accident.


One of the significant consequences of driving at low tire pressure is a tire blowout. This is mainly caused if your tire wears out and is weakened. Driving at low tire pressure with a high load may cause the tire to blow out suddenly. 


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So to prevent any such accident, make sure to hold the steering tightly, push the accelerator, and handle the vehicle well. Try pulling the vehicle on one side, and you will find that it will slow down gradually. 

Is It Fine For The Tire To Lose Pressure?

It is pretty normal for tires to lose around three PSI a month. But you should always have a check on your tire pressure and inflate it if required. If you don’t keep a check for months, it may have a high chance of losing more than ten PSI. Considering the recommended PSI of around 35, it is a considerable loss.


What Tire Pressure Is Too Low


Answers To Frequently Asked Questions

Is 35 Tire Pressure Too Low?

Nowadays, car manufacturers recommend tire pressure of at least 35 PSI even in cold temperatures. Tire pressure below this is considered lower. 

Usually, you will find that manufacturers put a sticker about the recommended tire pressure for your vehicle. 

Can You Drive On Low-Pressure Tires?

You should avoid driving your vehicle if the tire is underinflated. Sometimes, it may cause the tire to blow out at low pressure. This mostly happens if you go on a highway and don’t stop your vehicle frequently, so the tires don’t cool down and overheat. This causes it to blow out. So if you find a difference in your steering, driving style, and vehicle load, you should first solve your problem before driving.

Is 40 Too High For Tire Pressure?

You will find the recommended tire pressure in your vehicle’s instruction manual. 40 is the appropriate tire pressure for most of the sports cars you will see today. If you find your car bouncing on the road, then the tire pressure will be high for your vehicle and may wear out soon.

So What Tire Pressure Is Too Low?

Usually, the tire pressure lower than 35 PSI is considered low, and you should avoid driving your vehicle. The TPMS is present in the cars, alerting the driver if the pressure drops below the recommended value. So it is better to keep a check on your tire pressure frequently and look for the signs and performance of the vehicle. 

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Sean Mendez

Hi, I am Sean, a self-confessed petrolhead. I live in Boise, Idaho with a busy family of four and our energetic Labrador retriever. Thank you for visiting my website. You can find my email on the contact page.

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