We're a mobile Clean Truck Check inspection service — we come to you!
California Clean Truck Check is a mandatory inspection and maintenance program designed to ensure heavy-duty vehicles operating in California meet emissions standards. This program helps reduce harmful pollutants from diesel trucks, improving air quality throughout the state. All Pro Smog is STAR Certified and serves Manteca, Lathrop, and surrounding areas.
For newer heavy-duty vehicles (model year 2013+) with on-board diagnostic systems. Tests engine and emissions systems, verifies proper functioning of emissions components. Quick process — approximately 15–30 minutes.
For older vehicles not equipped with OBD systems. Examines exhaust opacity under various engine loads to ensure compliance with California emissions standards.
Convenient on-site inspections for trucking companies and fleet operators. Contact us to schedule. We come to your yard — minimize downtime for your vehicles.
Need a regular smog check instead? See our smog check coupon for discounted rates. Visit our FAQ for common questions.
Need a Clean Truck Check?
Mobile service — we come to your location! Also visit us for regular smog check services.
☎ Call (209) 823-6263???? 178 Button Ave, Manteca, CA 95336
Mon–Fri: 8:00 AM – 6:00 PM
Sat: 8:00 AM – 5:00 PM
Sun: Closed
Feel free to call or visit us for your next smog check.
Get CouponSTAR-certified smog check station in Manteca, CA. Proudly serving the community since 2007.
✅ BAR License #268814
STAR Station – Test Only | Verified by CA DCA
● 178 Button Ave, Manteca, CA 95336
☎ (209) 823-6263
⏱ Mon-Fri: 8AM-6PM
⏱ Sat: 8AM-5PM
Manteca · Lathrop · Stockton
Tracy · Ripon · Escalon
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