Engines that come with fuel injection have fuel injectors and an oxygen sensor that are powered by the fuel injection wiring harness.
Fuel injection wiring harness importanceThe fuel injection wiring harness is vital because it powers the fuel injectors as well as the oxygen sensor. Without the wiring harness, the fuel injector won't have the power to spray the correct amount of fuel into the combustion chamber so that the vehicle performance increases and keep the car from running rich. It is important to maintain the fuel injection wiring harness in good condition to prevent the vehicle from performing improperly.
Common issues with a damaged fuel injection wiring harnessA damaged fuel injection wiring harness can cause the engine to misfire, poor fuel economy, and a decline in engine performance.