Jon's Auto & Diesel Repair is a trusted auto repair shop in Tomball, TX, serving drivers from Tomball, Spring, Magnolia, Conroe, and nearby communities. Our ASE Certified technicians, including BMW and Ford Master Technicians, provide expert service for domestic, Asian, European, and light-duty diesel vehicles. We specialize in Powerstroke, Cummins, and Duramax diesel repair, along with brake repair, suspension repair, wheel alignments, engine and transmission repair, diagnostics, electrical repair, auto A/C and heater repair, preventive maintenance, fleet services, and key fob programming. Using Digital Vehicle Inspections and advanced diagnostic equipment, we deliver honest recommendations and dependable repairs backed by a 2-year/24,000-mile warranty.