Fuel injection is an engine management system that is found on the vast majority of today vehicles. It is controlled by the engine computer and operates fuel injectors by spraying the fuel in specific patterns and at specific timed intervals that will optimize engine performance.
A system that might need diagnosis could have engine misfires, decrease in power, acceleration and fuel efficiency. Check engine light may be illuminated.
Have your vehicle diagnosed by a professional technician, such as one from JB Auto Repair Inc, to determine if any of the of the fuel injection components need to be repaired or replaced.