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.
2009 Lexus RX 350 FWDFACTORY OEM SERVICE PROCEDURE
Service Data
| Fuel pressure | 304 to 343 kPa (3.1 to 3.5 kgf/cm2 , 44.1 to 49.7 psi) | |
| Fuel pressure : fuel pressure remains for 5 minutes after engine has stopped | 147 kPa (1.5 kgf/cm2 , 21 psi) or more | |
| Fuel injector | ||
| Resistance | at 20°C (68°F) | 11.6 to 12.4 Ω |
| Injection volume | 84 to 100 cm2 (5.1 to 6.0 cu in.) per 15 seconds | |
| Difference between each injector | 16 cm3 (0.98 cu in.) or less | |
| Fuel drop | 1 drop or less per 16 minutes | |
| Fuel pump | ||
| Resistance | at 20°C (68°F) | 0.2 to 3.0 Ω |
| Fuel pump resistor | ||
| Resistance | at 20°C (68°F) | 0.30 to 0.34 Ω |
| Fuel sender gauge | ||
| Resistance | Float level F | 3.0 to 5.0 Ω |
| Float level E | 109.0 to 111.0 Ω | |
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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