There's a lot that
can impair or harm your tires' capacity to sustain pressure, from punctures to
faulty wheel alignments. Fortunately, some modern cars are equipped with
sensors that can alert you instantly if there is a problem. However, these tire
pressure monitoring devices aren't perfect, which is why some manufacturers are
attempting to improve them.
The TPMS in your car,
like other security and driver-assistance technologies, is powered by
specialized sensors, according to Car & Driver. Many are installed in the
wheel or incorporated into the valve stem of the tire.
Direct tire pressure
sensors, as the name suggests, monitor air pressure directly. These
battery-operated sensors transmit radio waves to a receiver in the vehicle. The
TPMS headlight illuminates when the pressure is too low or too high.
However, some cars
feature tire pressure sensors that are connected to the ABS system. Such
'indirect' sensors, on the other hand, do not indeed sense pressure. Instead,
they track the rotation of the tires. The speed of a well-inflated tire differs
from that of an incorrectly inflated tire. When the TPMS detects a speed
difference, a warning light illuminates.
Moreover, some
manufacturers have recently attempted to improve TPMS technology. For instance,
BMW and Michelin cooperated on a 'linked tire,' which employs sensors to
monitor tire pressure and tire temperature. The idea is to use this information
to deliver helpful training information to the operator.
Bridgestone and
Microsoft are also reportedly developing a system that can detect tire
degradation and pressure, according to The Drive. This new system will also
identify and mark the tire if it collided with a pothole or other abnormality.
Then, via vehicle-to-vehicle messaging, it would warn other vehicles to stay
away from that area.
The tire pressure
monitoring system (TPMS) alerts you when your car's tire pressure is too low or
is about to go flat. TPMS can improve your road traffic safety by enhancing
your car's handling, minimizing tire wear, lowering stopping distance, and
boosting fuel economy by assisting you in maintaining optimum tire pressure.
If the "lower
air pressure" indicator light flashes on your dashboard when the key is
moved to the "on" state, your car has TPMS.
Check the tire
pressure and inflate any that are underinflated (as directed by the
manufacturer). The indication light should turn off when the tire pressure is
correct.
Change the tire with
your backup if necessary, and then visit your local Tires Warehouse store for
any necessary repairs or replacements. To identify the problem, they'll examine
your car's tire pressure and run a systems check on all of your tire sensors.
After addressing your car's tire needs, our professionals will recommend the
necessary maintenance to get you back on track safely.
Because proper care
necessitates additional parts and work, direct TPMS enabled tires are
significantly more expensive to maintain than non–equipped tires. When a tire
is detached for service or installation, the valve maintenance kit, which
contains the valve core, cap, nut, and o–ring (seal), should be replaced. To
examine and restore the sensor system, you'll need a specialized TPMS device as
well as some extra time.
While TPMS is a
helpful tool, it is not without flaws. To begin with, the warning light usually
lights only when the tire pressure is at least 25% too low. Moreover, just like
catalytic converters, engine mounts, or any other type of sensor, the ones in
your tires can and will fail.
Direct sensors are
susceptible to road irregularities because they are components of your rim or
tire. This means that a significant enough hit, such as a deep pothole, can
cause them to be damaged. Road debris, as well as harsh weather, can wreak
havoc. The TPMS light will usually blink instead of stay lighted to indicate
this.
Furthermore, tire
pressure sensors use radio frequencies to operate. A fake failure light can be
displayed if the signal is obstructed or interfered with. This can happen if
you put on a snow tire that isn't compliant with your TPMS, for example.
Direct sensors, on
the other hand, have an additional point of failure. Direct tire pressure
sensors, unlike indirect ones hooked into the vehicle's electronics, have their
batteries. These wear out over time, and the entire sensor must be replaced.
This, like changing sensors for adaptive cruise control or automatic emergency
braking, necessitates recalibrating the system.
While TPMS is a
valuable tool for these factors, it should not be used in place of a routine
tire examination.
Maintaining adequate
tire pressure may not appear to be as crucial as, for example, ensuring that
your motor has sufficient oil. It is, nonetheless, an important maintenance
activity. That's why automakers place the appropriate tire pressure on a door
jamb label.
According to Car
& Driver, the interface patch is messed up if a tire is under-or an
over-inflated, according to Car & Driver. This indicates that your vehicle
does not handle as much or as safely as it should. That's why Chevrolet tried
to fix the rear-engine Corvair's faults with tire pressure. Improperly inflated
tires don't absorb shock as efficiently as properly inflated tires, which might
lead to further suspension or TPMS problems.
Furthermore, a tire
with insufficient pressure flexes more, causing excessive heat and premature
degradation. Under-inflation also boosts rolling resistance, resulting in
higher fuel consumption.
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