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 Pressure Release
On all models except Protege, disconnect fuel pump relay. See FUEL PUMP RELAY LOCATIONS table. On Protege, disconnect fuel pump connector located behind rear seat. On all models, start engine (if possible) and allow to die. Turn ignition off. Reconnect fuel pump relay or fuel pump connector (Protege).
| Application | Location |
|---|---|
| Miata | Above Accelerator Pedal |
| Millenia 2.3L | In Left Rear Of Engine Compartment, Mounted Near Cruise Actuator |
| Millenia 2.5L | Fuse/Relay Box In Left Side Of Engine Compartment |
| MPV | Fuse/Relay Box In Left Side Of Engine Compartment |
| Protege | Mounted On Passenger Side Of Front Console |
| 626 | Fuse/Relay Box In Left Side Of Engine Compartment |
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.
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