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.
2001 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
LEXUS Engine Code Identification
LEXUS ENGINE CODE IDENTIFICATION
| Engine Code | Displacement | Block Configuration |
|---|---|---|
| 1LR-GUE | 4.8L | V10 |
| 1MZ-FE | 3.0L | V6 |
| 1UR-FE | 4.6L | V8 |
| 1UR-FSE | 4.6L | V8 |
| 1UZ-FE | 4.0L | V8 |
| 2AZ-FXE | 2.4L | 4-Cyl |
| 2GR-FE | 3.5L | V6 |
| 2GR-FSE | 3.5L | V6 |
| 2GR-FXE | 3.5L | V6 |
| 2JZ-GE | 3.0L | 6-Cyl |
| 2UR-FSE | 5.0L | V8 |
| 2UR-GSE | 5.0L | V8 |
| 2UZ-FE | 4.7L | V8 |
| 2ZR-FXE | 1.8L | 4-Cyl |
| 3GR-FSE | 3.0L | V6 |
| 3MZ-FE | 3.3L | V6 |
| 3UR-FE | 5.7L | V8 |
| 3UZ-FE | 4.3L | V8 |
| 4GR-FSE | 2.5L | V6 |
Factory Service Tools
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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