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 fuel pressure. See FUEL PRESSURE RELEASE . Disconnect negative battery cable. Remove air cleaner assembly. Remove fuel inlet hose from throttle body. Install Fuel Pressure Gauge (J-34730-1) and Adapter (J-34730-75). See Fig 1 . Reconnect negative battery cable. Check fuel pressure. See Figure and Figure , or 20 and 22. Release fuel pressure. Remove fuel pressure gauge.
| Application | Pressure: psi (kg/cm2 ) |
|---|---|
| Engine Idling | 13-20 (89.6-137.9) |
| Ignition O-n & Engine Off | 23-31 (158.6-213.7) |
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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.