WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT FUEL INJECTOR ASSY
1. Inspect the resistance.
  1. Using an ohmmeter, measure the resistance between the terminals.
    Standard:
    
    Fig 1: Tester Connection Specified Condition Table
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    If the resistance is not as specified, replace the fuel injector.
2. Check the operation.
  CAUTION:
  - This test involves high-pressure fuel and electricity. Keep the injector free of sparks during the test.
  - Take every precaution regarding safe handling of both the fuel and electricity.
  - Perform this test in a safe area, and avoid any sparks or flame.
  - Do not smoke.
  1. Pull out the fuel tube connector from a new fuel tube.
    HINT:
    
    Part No. 23801 - 20190
3. Connect SST and the fuel tube connector to the fuel pipe.
  SST 09268-41047 (95336-08070)
  
  CAUTION: After taking the precautions, connect the quick connector.

Chapter Navigation

Return to Chapter: Fuel System (3MZ-FE)

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.

Safety Warning

Fuel System (3MZ-FE): Inspection

Use the Manual With the Right Hardware

When to See a Mechanic