A1 Performance Auto Repair is a Sunnyvale-based general repair shop that specializes in emissions work (smog testing, certification and smog-related repairs), computer diagnostics and electronics systems. The company’s services range from engine and transmission work to brakes, power steering and fuel injection systems. It also does minor mechanical work, oil changes, routine maintenance, and front and back end repairs (excluding front end alignments).

Cliff Do established A1 Performance Auto Repair in 2000. Mr. Do has many years of experience as an auto mechanic, and he says he’s proud to be at the helm of an entirely family-owned and operated business. He stays aware of industry trends and continually educates himself to remain current with new technological advancements.

A1 Performance Auto Repair services all vehicle makes and models, and it only uses original equipment replacement parts, which, along with labor, are backed by a 12-month/12,000-mile guarantee.