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.
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HOMESERVICE MANUALSLEXUS2005ES 330REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALFUEL SYSTEMFUELFUEL SYSTEM (3MZ-FE)ON-VEHICLE INSPECTION
2005 Lexus ES 330
On-Vehicle Inspection
2005 Lexus ES 330SECTION On-Vehicle Inspection
- CHECK FUEL PRESSURE
- Discharge the fuel pressure and take precautions against possible fuel spillage (see FUEL SYSTEM (3MZ-FE) ).
- Check that the battery voltage is above 12 V.
- Disconnect the engine wire No. 3 (battery negative terminal).
- Pull out the fuel tube connector from a new fuel tube.
HINT:
Part No. 23801-20190
- Remove the fuel pipe clamp.
- Disconnect the quick connector from the fuel pipe by pinching portion A with your fingers as shown in the illustration.CAUTION:
- After taking the precautions, disconnect the quick connector.
- As pressure remains in the fuel line, prevent it from splashing inside the engine compartment.
RENDER: 1.0x
NO RELATED
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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.