TPMS LIGHT ON IN PUEBLO? WHAT YOUR TIRE SENSOR MEANS
If a small horseshoe symbol with an exclamation point lit up on your dash, that's your Tire Pressure Monitoring System (TPMS) — and it's trying to tell you a tire isn't where it should be. Here's what it actually means and when it's worth a look from a mechanic in Pueblo, CO.
What the TPMS Light Is Telling You
Your car watches tire pressure and flags you when one or more tires drop about 25% below the recommended level. That target isn't the number on the tire sidewall — it's on the sticker inside your driver's door jamb. A steady light usually means low pressure. A light that blinks and then stays on often points to a sensor or system fault, not the tires themselves.
Why It Happens So Often in Pueblo
Our temperature swings do a number on tire pressure. Tires lose roughly one PSI for every 10°F drop, so a cold Pueblo morning can trip the light even when nothing's wrong — and it may clear once the tires warm up on your drive. But heat matters too: hot summer pavement and long highway runs on I-25 stress tires that are already low. And a nail or slow leak will bring the light back no matter the weather.
When to Just Add Air vs. See a Mechanic
- Add air: The light came on with a cold snap and clears after driving. Fill to the door-jamb number when tires are cold.
- Get it checked: The light keeps returning, one tire is noticeably lower, you feel a pull or vibration, or the light blinks at startup.
Chasing a light with a $2 air pump only works if there's no leak. A screw or valve-stem crack won't hold air, and driving on a low tire wears it unevenly and lengthens your stopping distance.
The Honest Way to Handle It
We'll check all four tires, find the actual cause, and tell you whether it's a simple patch, a valve stem, or a failing sensor — no pushing you toward four new tires you don't need. That's how we work at Iron Horse.
Questions or want it looked at? Call or text (719) 240-3165 or visit iron-horse-auto.com. We're at 1005 N Erie Ave, Pueblo, open Monday–Friday, 9–5.
Want a straight answer about your car? Call or text Iron Horse at (719) 240-3165. We'll check it, show you what we find, and only quote what you actually need.