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2002 Lexus ES300 Question: Continue the question about the es3000 throttle sensor



Lexuses3000, 3.0L V6, San Jose, CA, November 17, 2013, 07:37

Thank you all,
Before replaced the throttle sensor, the idle slowly goes down to 0 and engine
Off. Then I tried to replaced the sensor, but I didn't taking off the battery.
After that, I turn the engine on the Idle goes up to normal position. I'm really feel
Good, but after test drive for around 5 minutes the engine slowly went down to 0 and off.
Do you think I might really kill the sensor? The battery went down to 10volts, I hold the gas for 20 minutes the battery increasing up to 12.47 volts. So, I think the
Battery any the alternator are fine. What else do I need to replace?

Thank you all again for the help...

2 Answers
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  • Answer #1

    pushrod November 17, 2013, 07:43

    With the engine running the voltage at the battery needs to be at least 13.5 to 14 volts!! Have a mechanic check the charging system before any more work is done!

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  • Answer #2

    G. T. Service Center (3138 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG November 17, 2013, 08:11

    Another note is the battery voltage has to be normal or the computer and the sensors will not function properly. The relearn procedure is also affected.

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