Certified Service Tech / Mechanic Qualified applicants will have ASE certification and experience in general automotive mechanic repair and be willing to learn and grow towards becoming a certified mechanic. Competitive Salary - Depends on Experience Tune automobile engines to ensure proper and efficient functioning. Repair, replace, or adjust defective fuel injectors, carburetor parts, and gasoline filters. Rebuild, repair, or test automotive fuel injection units. Change spark plugs, fuel filters, air filters, and batteries in hybrid electric vehicles. Install or repair air conditioners and service components, such as compressors, condensers, and controls.