Car Hard To Start But Runs Fine. If that is the case you can try replacing the wires or cleaning the connections. Next, move on to check your battery and all of its connectors and wiring.

If your car does run fine, and there are no signs of leaks, smells, or bad wiring, this could be your issue. This guide will help by starting with simple fixes and conclude with the more difficult. A bad battery will make your car start slower and slower over time as it outputs less and less power.