Here’s the throttle body relearn procedure 1) Start the engine and let it idle in park for 3 minutes. During that period the idle may be higher idle than normal. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds.
How to replace a throttle position sensor?
How to Replace a Throttle Position Sensor. Remove the battery Before you begin, detach the negative terminal connection from the battery. This will prevent you from receiving undesired shocks as well as causing harm to other components under the hood. Unplug the Previous Sensor
How do you adjust the throttle position sensor?
TPS – Throttle Position Sensor Adjustment
- Loosen the jam nut and unscrew the throttle stop screw all the way so that the throttle blade closes fully against the throttle body itself.
- Turn the stop screw back in until it just touches the linkage, then turn in ¼ turn more. ...
- Tighten the jam nut while holding the stop screw in place to prevent it from moving.
- Unplug TPS
Should I replace the throttle position sensor?
The throttle position sensor not only helps to control the fuel and air mixture in your engine but also helps with shifting gears. While this part is meant to last the lifetime of your vehicle, sometimes it can fail and will need prompt replacement.
How do I replace the throttle position sensor?
- Back probe leads (optional)
- Free repair manuals provides free online repair manuals for certain makes and models
- Protective gloves
- Safety glasses
- Screwdriver
- Voltmeter (optional)
How do you reset the throttle position sensor on a Chevy Silverado?
0:302:05GM Truck Electronic Throttle Body (ETB) Relearn Procedure - YouTubeYouTubeStart of suggested clipEnd of suggested clipNext turn the ignition off for 60 seconds. Then start and idle the engine in Park for 3 minutesMoreNext turn the ignition off for 60 seconds. Then start and idle the engine in Park for 3 minutes again after the 3 minute runtime the engine should be idling normally.
How do I relearn my throttle position sensor?
How to Reset Throttle Position SensorPut the key in the ignition.Turn the key to the On position, without cranking the engine. Wait a few seconds, then turn it off.Repeat the second step.Crank the engine.Pull the parking brake.Set the gear lever in Drive.Wait 5-10 minutes.
How do you calibrate a throttle position sensor on a Chevy?
3:224:22How to Calibrate Throttle Position Sensor Using a Multimeter (Set TPS)YouTubeStart of suggested clipEnd of suggested clip45 volts and then as you apply throttle. You should see the voltage. Increase steadily up to aboutMore45 volts and then as you apply throttle. You should see the voltage. Increase steadily up to about four and a half volts uh or all the way up to five we should be good to go here.
Do you have to reset computer after replacing throttle position sensor?
After replacing the throttle body to your engine, if the engine light was on and has a pending code, the code will go away. If the code was a hard permanent code, then the ECM (computer) would need a hard reset.
How do I do the throttle body relearn procedure?
1:112:42Throttle Body Relearn: When Should I Reprogram My Car's ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou might have to let it run for three minutes and then shut the vehicle off. And then run it againMoreYou might have to let it run for three minutes and then shut the vehicle off. And then run it again for three minutes. It depends on the type of vehicle.
How do you relearn a Chevy idle?
After the engine is warm, switch the air conditioning on and off, and then put the transmission into the "drive" position. These actions complete the full idle relearn procedure.
How do you calibrate a new throttle position sensor?
4:0310:54How to install & calibrate a new Throttle Position Sensor (TPS) #1208YouTubeStart of suggested clipEnd of suggested clipWe now need to calibrate the unit. So as you can see there is some angular movement angularMoreWe now need to calibrate the unit. So as you can see there is some angular movement angular adjustment of that TPS unit and with the throttle at the idle.
Do you need to calibrate a new throttle position sensor?
Once you have fitted a Throttle Position Sensor, or TPS, you will need to calibrate it from within MEITE. First, be sure you have correctly wired, and assigned the throttle sensor signal input to "TPS Raw" in the Analog Settings.
What happens if you don't relearn your throttle body?
What happens when you replace the throttle body? If you replace the throttle body, the PCM won't know and will continue to use the adaptive settings as if the carbon buildup is still in place. If you don't do a relearn procedure, the PCM will “hunt” for a new baseline idle.
How do I calibrate my accelerator pedal position sensor?
To calibrate the accelerator pedal assembly: To recalibrate the ECM and accelerator pedal, the ignition switch must be in the ON position and then the accelerator pedal must be slowly and fully depressed from idle to full throttle. Repeat the procedure three times.
How to reset a dtc?
Remove negative battery cable for 20 minutes to reset all DTCs. 2. Start engine, run in park for 3 minutes. -MIL did not come on. -Engine starts at about 1200rpm, then slowly idles down to 800 rpm and back up to a steady 1000rpm. 3. Remove key for 60 seconds. 4. Start engine, run in park for 3 minutes.
Does P0121 have TPS?
I read up on P0121 and saw that it involves the TPS integrated into my Throttle Body. I decided to clean to TB before spending ~$200 on a replacement.
How long does it take for an ECM to catch up to a new throttle body?
It will take a few miles of driving for the ECM to catch up to the new throttle body. Assuming it was an OEM replacement, its cleaner than the old one, so the air flow is different. 20 minutes of driving should do the trick...if it doesn't then you have a different problem.
How to clean throttle body?
Clean your throttle body with throttle body cleaner. First disconnect the battery, clean the TB with TB cleaner, must be nice and shiny. When finished, hook the battery back up and drive around for 20 minutes or so with all accessories off, so the computer will relearn a properly functioning throttle body.
What to do after cleaning a GM throttle body?
After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn. After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn.
Can you throttle relearn without a scan tool?
Throttle relearn can also be done without a scan tool, essentially by letting the vehicle idle in park for several minutes and allowing time for the ECM to learn. See appropriate service information for vehicle specific procedures and details if you wish to perform a throttle relearn in this way. Information provided by Mac Tools.