Apply engine conditioner to the injector area shown in the illustration. Using a piece of cloth, clean carbon deposits from the injector and its grooves.

Check the injector resistance.

• Standard resistance:
• 2.01 to 2.31 Ω at 20°C (68°F)

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

Remove the 11 clips and intake duct seal.

Lexus IS250 IS220d GSE20 ALE20 4GR-FSE FUEL

Connect the intelligent tester to the DLC3.

Lexus IS250 IS220d GSE20 ALE20 4GR-FSE FUEL

Lexus IS250 IS220d GSE20 ALE20 4GR-FSE FUEL

Disconnect the cable from the negative (-) battery terminal.

Install the No. 2 fuel tank protector to the fuel tank assembly.

Detach the 2 front hooks of the seat cushion from the vehicle body.