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.
2008 Lexus RX 400h FWDFACTORY OEM SERVICE PROCEDURE
Related DTCS
RELATED DTCS REFERENCE
| DTC No. | Monitoring Item |
|---|---|
| P043E | 0.02 inch orifice low flow |
| P043F | 0.02 inch orifice high flow |
| P0441 |
|
| P1420 | 0.02 inch leak from canister |
| P1421 | Gross leak from canister |
| P1422 | 0.02 inch leak from fuel tank |
| P1423 | Gross leak from fuel tank |
| P2401 | Vacuum pump OFF stuck |
| P2402 | Vacuum pump ON stuck |
| P2419 | Vent valve ON (close) stuck |
| P2420 | Vent valve OFF (vent) stuck |
| P2450 | Fuel vapor-containment valve open stuck |
| P2451 | Fuel vapor-containment valve close stuck |
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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