Q: Why does my car accelerate slow?

There are many factors we must take into account before making this type of diagnosis. The concern can be electrical or even mechanical. A seized brake caliper can hinder performance. A poorly tuned engine can also suffer performance issues from a clogged air filter or weak ignition system. If you want to have this checked out, a technician from YourMechanic can come to your car’s location to inspect your acceleration issue and pinpoint which components need repair.