Which one do I trust?
#1
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Which one do I trust?
Apologies if a similar subject has been discussed pr if i'm posting in the wrong place.
I have these two tire pressure gauges and the read a different psi.
About 3 psi difference between the two.
Here's this:
I have these two tire pressure gauges and the read a different psi.
About 3 psi difference between the two.
Here's this:
#7
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Raoul, that's deep thanks!
I've had the analog for quite a while and was always sure that it read correctly ( had cheapo ones before ), but when i was ordering a new pump to have in the car, i also ordered the digital gauge. Just to have it. As it's got a backlit led display which would make for an easier readout during evening and night hours.
This is my story
I've had the analog for quite a while and was always sure that it read correctly ( had cheapo ones before ), but when i was ordering a new pump to have in the car, i also ordered the digital gauge. Just to have it. As it's got a backlit led display which would make for an easier readout during evening and night hours.
This is my story
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#9
1. Check the gauge against a known gauge (e.g. at a tire shop or at a Lexus dealer)
2. Preferred method. - Lexus recommends 30 psi all around (I have an AWD 2009-RX350). So: Set the tires at 30psi using the analog gauge and see if you feel it is OK. If you feel you want a higher psi for better control, less comfort, increase psi. Once you have settled on what you want, remember where it is on each gauge and use the gauges accordingly.
In fact, within 3 psi really is not an issue.
3. My TPMS was factory set so that it triggers an alarm at 27 psi, i.e. 10% below the recommended 30 psi. Slowly let air out of one tire until the TPMS triggers, then check the pressure with both gauges....
4. Buy another gauge so that you get thoroughly and irrevocably confused
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