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What happens when my tire pressure warning light comes on? What should I do now?

November 17, 2017

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What happens when my tire pressure warning light comes on? What should I do now?

November 17, 2017

Temperatures during the fall season can cause havoc on your tire monitor system.  So, what do you do when your tire monitor system sends you a warning?  Many people have no idea...

 

Your tire monitor system triggers a warning light when tire pressures decline due to temperature change.

 

If tire pressures differ in range of 3 to 5 psi, your warning light will come on.  If pressure drops below a minimum requirement, the warning light will also come on.  

 

But not all systems work the same way or provide the same amount of information. Here’s what you need to know if yours goes off.

 

What do I do when that warning light comes on?


Pull over as soon as you can and check your tire pressure.  Driving on improperly inflated tires can affect everything from fuel mileage to steering and suspension issues.

 

And remember that the warning light can come on and then go off.

 

Just because the light went out doesn’t mean your tires are properly inflated.  Of course, regular tire pressure checks always are a good idea, regardless of what your tire pressure monitoring system says.

 

Here at A & J Automotive Repair and Fleet Services, we recommend that you still check your tire pressure monthly just to be on the safe side of things.

 

What is a tire pressure monitoring system?

 

The tire pressure monitoring system does exactly what you’d think—it keeps track of the air pressure in each of your car’s tires. The systems work independently in each wheel, and set off a warning light on the instrument cluster if the pressure is too low.

 

The typical trigger happens when the pressure is 25 percent lower than the manufacturer’s recommended cold tire pressure.  You can find the recommended pressure level by checking your owner’s manual or by reading the sticker on the driver’s door jamb.

 

The tire pressure monitor can alert when tire pressure is significantly below the correct level.

 

If I get new tires do I need new sensors?


Not necessarily. Tire pressure sensors aren’t permanently affixed to the old tires and they can be reused if they’re still working well.

 

The cost depends in part on the work you’re having done, says A & J Automotive Repair and Fleet Services. If you’re already getting new tires, the sensors will be within easy access and take only a short amount of time and labor to change.

 

It “becomes a lot more expensive to replace when you aren’t having a tire change done.

The average price for a direct sensor can range from $40 to $70 per sensor, for most common vehicles.

 

Let's keep it easy.  Keep your tire pressures in control and watch your tires last much longer.