LS 400 V8-4.0L (1UZ-FE) (1990)
Throttle Position Sensor: Adjustments
Throttle Body And TPS
- Remove throttle body, refer to COMPONENT REPLACEMENT AND REPAIR PROCEDURES.
Throttle Stop Screw
- Check that there is no clearance between throttle stop screw and lever with throttle plate in the fully closed position.
TPS Screws
- Loosen throttle position sensor set screws.
- Connect ohmmeter across throttle sensor terminals E2 and IDL.
- Insert a 0.0157 inch (0.40 mm) feeler gauge between throttle stop screw and lever.