Comprehensive Diesel Testing & Compliance Services
Professional mobile testing services for diesel testing near me, fleet DEF diagnostics, and DOT compliance checks across the Bay Area and Central Valley
How Our Mobile Testing Works
Simple, efficient process designed to minimize downtime
Schedule Appointment
Our CARB-certified technician comes directly to your location — no downtime, no extra trips
Complete Testing
We perform comprehensive emissions testing and provide CARB-compliant certification
Full Compliance
We handle all CARB submissions and documentation — paperwork completely covered
Our Service Offerings
Mobile CARB Emissions Testing
Comprehensive diesel testing near me services with certified CARB compliance testing at your location
Fleet DEF Diagnostics
Complete fleet DEF diagnostics and diesel exhaust fluid system testing for optimal performance
DOT Compliance Checks
Professional DOT compliance checks to keep your fleet road-ready and avoid violations
On-Site Fleet Testing
We come to your lot or depot to test your full fleet — ensuring compliance without hassle
Diesel Diagnostics
Comprehensive diagnostics with detailed repair recommendations to get vehicles back to compliance
Seasonal Fleet Checks
Pre-winter and pre-summer checks to ensure vehicles are ready for seasonal demands
What Our Clients Say
Trusted by fleet managers across the Bay Area and Central Valley
Michael Rodriguez
Fleet Manager, Bay Area Logistics
"A&T Fleet Compliance made our CARB testing seamless. They came to our depot, tested all 15 trucks in one day, and handled all the paperwork. Highly recommend their mobile service!"
Sarah Chen
Operations Director, Valley Freight Co.
"Professional, knowledgeable, and punctual. Their DEF diagnostics saved us thousands in potential repairs. Best compliance service we've worked with in 10 years of operations."
James Thompson
Owner, Thompson Trucking
"Outstanding service! They handle all our CARB compliance needs with zero downtime for our fleet. The mobile testing is a game-changer. Worth every penny."
Ready to Schedule Your Service?
Contact us today for professional mobile testing services