Maybe there's something on the market I don't know about, but I've seen the green-yellow-red valve stem caps on motorcycles and they are pressure indicators only. If there's a valve stem cap that registers the percent of nitrogen I haven't seen it.
I have two of those left! I lost one and one died of natural causes.
I fill my tires with pure carbon dioxide, though. It's my contribution to sequestering carbon, and thus saving the Planets. THE PLANET.
My TPMS light has started staying on as of just a few days ago, despite all my tires being at the proper pressure. Are these kind of like the "check engine" light that can come on for something as simple as a gas cap not being put back on tightly enough? In other words, would disconnecting my battery for a minute or so reset it?
My TPMS light has started staying on as of just a few days ago, despite all my tires being at the proper pressure. Are these kind of like the "check engine" light that can come on for something as simple as a gas cap not being put back on tightly enough? In other words, would disconnecting my battery for a minute or so reset it?
Our Bonneville used to have a reset function - found it in the owners manual. Every time you level off the tire pressure where it belongs, sit the car on level ground with the engine running in park, then there was a dash procedure for resetting it. That system registered differences in the handling of the vehicle to alert you of low tire pressure.
My TPMS light has been stuck on for a few months along with a warning that something is wrong with the monitoring system.
Big hairy deal.
The last time it was in the shop I told them "no I don't want to fix it." Salescritter said "but that light will stay on"
I said "until the bulb burns out. I just wish it would burn out as fast as the taillight I replaced."
Nitrogen & argon are inert gases which mean they don't expand or contract from temp changes. It does not support life. Enclosed spaces like a garage can cause concentration to high levels but it would take a lot. Nitrogen makes sense in racing but not every day driving. As I understand it those caps are pressure indicators for folk who don't have a tire gauge or are too busy (lazy ) to ck the right way. 78% nitrogen filling would still allow for temp changes to affect tire pressures.. I think someone 'a getting took there. I suggest checking pressures regularly with a tire gauge. I've never had a vehicle that does the monitoring so I'm not up on them so I would use the tried & true method.
Nitrogen & argon are inert gases which mean they don't expand or contract from temp changes. It does not support life. Enclosed spaces like a garage can cause concentration to high levels but it would take a lot. Nitrogen makes sense in racing but not every day driving. As I understand it those caps are pressure indicators for folk who don't have a tire gauge or are too busy (lazy ) to ck the right way. 78% nitrogen filling would still allow for temp changes to affect tire pressures.. I think someone 'a getting took there. I suggest checking pressures regularly with a tire gauge. I've never had a vehicle that does the monitoring so I'm not up on them so I would use the tried & true method.
NOS or NOS...it makes a difference
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Yes! I think they're a subdivision of the mattress tag agency!I didn't even know the caps were coded. Somebody put one on one of my tires and I'm pretty sure I nonchalantly put it back on a different one just yesterday after I was just checking pressures. Am I going to be arrested by some consumer protection division?
Nitrogen & argon are inert gases which mean they don't expand or contract from temp changes. It does not support life. Enclosed spaces like a garage can cause concentration to high levels but it would take a lot. Nitrogen makes sense in racing but not every day driving. As I understand it those caps are pressure indicators for folk who don't have a tire gauge or are too busy (lazy ) to ck the right way. 78% nitrogen filling would still allow for temp changes to affect tire pressures.. I think someone 'a getting took there. I suggest checking pressures regularly with a tire gauge. I've never had a vehicle that does the monitoring so I'm not up on them so I would use the tried & true method.
Inert does NOT mean that there is no thermal expansion/contraction. Inert means not chemically reactive, in other words, does not form compounds. Nitrogen is very definitely not inert; there are all kinds of compounds containing nitrogen. Argon is close enough to inert as makes no odds. Either or both may have less thermal expansion/contraction than bog standard air, but pretty much nothing has none.