I often forget to check tyre pressure for a long time!
Anyway, while searching for a pressure monitoring system, I came accross this device
www.savemoneyoncars.co.uk/tyre-pressure-monitor.asp
Seems resonably priced. Does anyone have experience of this or similar device?
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Probably quite good until someone steals them.
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They are sold with built in pressure usage. So, the one set for 32 psi will have little use for cars with 28 psi ;)
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From September all cars sold in USA must have some form of tyre pressure monitoring - hence there is a lot of interest in all sorts of tyre pressure monitoring system.
The device mention in this thread has been sold for a while in the US as the 'Air Alert Valve Cap' - there is a Consumer Reports test on it here:
www.keegy.com/out/consumer-reports-puts-cheap-tire.../
The device self-calibrates to your tyre the first time you use it (i.e. set your tyre to desired pressure - screw the cap on and it takes the current pressure as the reference pressure). Apparently they last 2 years. At £16 for a set its not bad value.
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My pressure sensing valve caps disappeared in less than an hour last time I parked on the street in broad daylight in the centre of an English town.
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Air always leaks through tyre walls ( natural process)
It is essential to check tyre pressures (cold) at least ONCE a month
ideally every 2 weeks.
By doing this you will reap the benifits eg
a) increase tyre performance ( eg braking & grip)
b) increase tyre life
c) decrease fuel consumption
b) reduce the chances of tyres overheating & exploding
on longer journeys
Forget these silly valve cap gadgets,they will probably get stolen at some point.
Buy a quality tyre pressure gauge keep it safe from knocks and USE IT.
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Generally, what a load of old cobblers!
I check my tyres once a week.
I tend to overinflate them by 5 psi. (I do a lot of motorway driving and it reduces fuel consumption).
If you bother to know your car you can soon gauge whether the tyres appear low. Tyres do not lose pressure over, say, a one month period unless there is a problem. So, if you usually have 32psi and you find that it has dropped to 26, then you have hole somewhere.
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