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 Injection System: Description
The Ford Electronic Fuel Injection system (EFI) is classified as a multi-point, pulse time, mass airflow fuel injection system. Fuel is metered into the intake air stream according to engine demand through 4 injectors mounted on a tuned intake manifold. The system consists of control unit, various sensors and switches, fuel injectors, fuel pressure regulator, vane air meter assembly, throttle body assembly and pulse damper.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.