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.
Fuel Injectors
The eight fuel injectors are located in individual apertures in the intake manifold. The fuel rail is separate and supplies fuel to the top of each injector. Air injection is provided to the base of each injector to further improve fuel delivery and atomization. Air is provided by an air gallery which is integral with the intake manifold. The fuel injectors are electromagnetic solenoid valves controlled by the ECM. The electrical pulse time for the injector combined with the fuel pressure determines the volume of fuel injected to the manifold.
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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.