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.
1994 Acura NSX AutomaticFACTORY OEM SERVICE PROCEDURE
Fuel Pressure Regulator
WARNING:
DO NOT smoke during the test. Keep open flame away from your work area. ALWAYS release fuel pressure before disconnecting any fuel injection-related component. DO NOT allow fuel to contact engine or electrical components.
- Attach a pressure gauge to the service port of the fuel filter. See Fig 1 .
- Pressure should be 46-53 psi (330-370 kPa) with the regulator vacuum hose disconnected and pinched.
- Reconnect the vacuum hose to the pressure regulator.
- Check that the fuel pressure rises when the vacuum hose from the fuel pressure regulator is disconnected again.
- If the fuel pressure did not rise, replace the fuel pressure regulator.
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.