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 LX 570FACTORY OEM SERVICE PROCEDURE

Fuel Injector: Inspection

INSPECT FUEL INJECTOR ASSEMBLY

Measure the resistance according to the value(s) in the table below.

Fig 1: Identifying Fuel Injector Connector End View

G05628807

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Resistance

RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
1 - 2	20°C (68°F)	11.6 to 12.4 Ω

If the result is not as specified, replace the injector assembly.

Inspect the injection volume.
CAUTION: This test involves high-pressure fuel and electricity. Take all precautions regarding safe handling of both the fuel and the electricity. Perform this test in a safe area, and avoid any sparks or flames. Do not smoke.
1. Remove the fuel pipe clamp.
  
  Fig 2: Identifying Fuel Pipe Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the fuel tube.
  
  Fig 3: Disconnecting Fuel Tube
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect SST to the fuel pipe (the vehicle side).
  
  Fig 4: Identifying Fuel Pipe And Fuel Tube Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the O-ring to the fuel injector.
5. Install SST and the tube to the fuel injector.
  SST 09268-31012 (09268-41300, 09268-41500, 09268-41600, 90467-13001, 95336-08070)
  
  Fig 5: Installing SST And Tube To Fuel Injector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Put the injector into a graduated cylinder.
  CAUTION: Install a strong rubber tube onto the injector to prevent gasoline from splashing.

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.