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 Infiniti J30FACTORY OEM SERVICE PROCEDURE

1994 Model Coverage

MODEL COVERAGE ⁽¹⁾

Model

Engine

Engine ID

Fuel & Ignition System

G20

2.0L 4-CYL (SR20DE)

⁽²⁾

J30

3.0L V6 (VG30DE)

⁽²⁾

Q45

4.5L V8 (VH45DE)

⁽²⁾

⁽¹⁾	Engine code is located on top rear of engine block, on flange.

⁽²⁾	Sequential Multipoint Electronic Fuel Injection and simultaneous fuel injection. A distributorless system using optical crank angle sensor and one ignition coil for each spark plug.

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.