4A Auto Diagnostics and Repair 


4A Auto is your local family owned father son, trusted mobile mechanic service and shop-based auto repair, proudly serving Johns Creek, Alpharetta, and nearby North Fulton Atlanta communities. Searching for an affordable mechanic near me or a cheap mechanic near you without compromising quality? Our transparent pricing includes a $60, 20-minute Quick Check or $120/hour, billed in $30 15-minute increments. We specialize in on-site or in-shop A/C repair, engine diagnostics, electrical diagnostics, brakes, Radiator, belt replacements, and routine maintenance—no full engines or transmissions. We are U.S.M.C Veteran owned small Family business with a five-star reputation for honesty, integrity, and value-based service, skip the shop hassle and stay on the road. Schedule your appointment with 4A Auto today!