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.
Electro-Hydraulic Injector
The electro-hydraulic injector is composed of 3 major components: The oil control, the pressure amplification, and the nozzle assembly. The injector uses 2, 48-volt at 20-amp coils to control a spool valve that directs oil flow in and out of the injector. The fuel injector has a self-extracting hold-down clamp.
| Item | Description |
|---|---|
| 1 | Closing coil |
| 2 | Control valve body |
| 3 | Amplifier piston (7:1 ratio) |
| 4 | Piston return spring |
| 5 | Plunger |
| 6 | Valve opening pressure spring, 260 bar (3,770 psi) |
| 7 | Nozzle valve |
| 8 | Opening coil |
| 9 | Spool valve (control valve) |
| 10 | Case nut |
| 11 | Fuel strainer (3) |
| 12 | Nozzle assembly |
NO RELATED
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.