Quote:
Originally Posted by JIM VINYARD
The only valve caps that should be used on tpms valve stems should be plastic only because metal caps interfer with the signal coming from the tps inside the tire and wil cause problems with tire pressure monitoring system.
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That's odd, I'm pretty sure the ones Paul sent me (with the Smart logo, sold by Smart) are steel. I'm had them on for a couple thousand miles and never noted a pressure monitoring problem. But, then again, I do check the pressures pretty regularly.