Check for diagnostic trouble codes. It can lead you to where a possible engine misfire is occurring so your work can be rechecked relative to the symptom. Something during the repair needs to be fully installed properly or was damaged due to the repair work and disassembly.
RepairPal Certified shops can diagnose and repair your 2002 Acura TL. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.