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.
1985 Mazda RX-7 SFACTORY OEM SERVICE PROCEDURE
Fuel Pump Pressure Test: Notes
- Disconnect negative battery terminal. Using a shop rag wrapped around main fuel hose, disconnect main fuel hose from fuel line. Connect a pressure gauge to line and reconnect negative battery terminal.
- Turn ignition on and jumper across 2 terminals of fuel pump test circuit connector. See Figure . Fuel pump pressure should be 50-71 psi (3.5-5.0 kg/cm2 ).
Factory Service Tools
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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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