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Have questions about DPF cleaning or California Diesel Compliance requirements? Contact The DPF Shop today to learn more about how our services—including OBD test, OVI inspections, and CARB clean filter solutions—can benefit your fleet. Whether you’re due for a routine emissions test or need diesel smoke opacity testing, we’ll help you stay compliant. Schedule your Mobile Clean Truck Check or CARB emissions test near me with ease. We’re here to keep your trucks road-ready and your business running smoothly.