A fuel injection system is used to inject atomized fuel directly into the cylinders of an internal-combustion engine. Nowadays, fuel injection cleaning is a required maintenance service on vehicles. You should consider a fuel injection service when your vehicle is hesitating, having trouble starting, achieving poor gas mileage or operating sluggish with poor performance.

Steps for a proper fuel injector system service:

• Check fuel pump operating pressure and volume.
• Test pressure regulator for operation and leakage.
• Flush entire fuel rail and upper fuel injector screens to include pressure regulator.
• Clean fuel injectors.
• Decarbon engine assembly.
• Clean throttle plate and idle air control (IAC) passages.
• Check minimum air flow rate and adjust if needed.
• Relearn onboard computer.