Continue the question about the es3000 throttle sensor

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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...