Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Technical Description: Injectors
Injector
The injectors are connected directly to the fuel rail. They are located in the intake passageways in front of the intake valves.
An injector consists of a valve body and spray nozzle with magneto armature. The valve body includes a solenoid winding and actuator for the spray nozzle. The injectors are controlled electronically and are opened and closed by electric impulses from the control module.
Injection valves are available in different versions depending on engine variant.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.