10 Car Repairs You Should Never Try to Do Yourself

2. ECU fixes and tuning

Cobb Tuning offers some amazing plug-and-play solutions if you want to recalibrate your car's performance capabilities, but one wrong move and you could be shopping for a fresh engine

Cobb Tuning offers some amazing plug-and-play solutions if you want to recalibrate your car’s performance capabilities, but one wrong move and you could be shopping for a fresh engine. | Cobb Tuning

A good rule of thumb is to always leave automotive computer repairs alone. Unless you are a certified ASE master technician, there’s no reason for you to be fooling with air/fuel ratios, shift points, and redline limiters. Let an experienced tuner take over and fix whatever issues or fine tuning needs might be required.