Throttle position sensor adjustment

Welcome to 2CarPros.

Can you tell me the trouble code you are getting? You mention two different things. First, you said you replaced the throttle position sensor on the gas pedal. That is the accelerator pedal position sensor. The actual throttle position sensor in under the hood on the throttle body. See pictures 1 and 2. Item T2 is the throttle position sensor in picture 2. Now, there is no adjustment for the accelerator position sensor. I am going to provide the directions specific to that sensor so you can review them and confirm you did it correctly. Picture 3 correlate with these directions.

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Accelerator pedal sensor

2004 Lexus ES 330 V6-3.3L (3MZ-FE)
Procedures
Vehicle Powertrain Management Fuel Delivery and Air Induction Sensors and Switches - Fuel Delivery and Air Induction Accelerator Pedal Position Sensor Service and Repair Procedures
PROCEDURES
ACCELERATOR PEDAL ASSY (3MZ-FE (NORMAL PEDAL))
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO.3 (BATTERY NEGATIVE TERMINAL)

See Picture 3

2. REMOVE ACCELERATOR PEDAL ASSY
(a)Disconnect the accelerator position sensor connector.
(b)Remove the 2 bolts, then remove the accelerator pedal rod.
3. INSTALL ACCELERATOR PEDAL ASSY
Torque: 5.4 N-m (55 kgf-cm, 48 in.-Lbf)
4. CONNECT ENGINE WIRE NO.3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 N-m (55 kgf-cm, 48 in.-Lbf)
5. SYSTEM INITIALIZATION

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If you could provide the trouble code you are getting, it would be helpful.

Let me know if this helps or if you have other questions.

Joe

I agree with JACOBANDNICKOLAS. There is no adjustment for the pedal or the throttle. The first thing you need to do is check your fuses. Have seen people try to jump start these vehicles and cross the cables causing the fuse in the engine compartment to blow. If there is no power to the throttle then your vehicle will not respond.

Welcome back:

Let us know the outcome.

Take care,
Joe