See appropriate service information for vehicle specific procedures and details if you wish to perform a throttle relearn in this way. 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. ![]() Slowly depress the gas pedal to the floor, and then slowly release it. Turn ignition key to on position, do not start the engine. ![]() NOTE: If this is a new install, proceed to step 2. Additionally, the Mentor Touch Scout supports Throttle Sweep and Throttle Position tests to verify proper operation of throttle components. Follow these steps to complete a Throttle Relearn: Disconnect the negative battery terminal for 5 minutes. Then start the engine and allow the ECM time to begin to learn. Performing a throttle relearn on GM throttle-by-wire vehicles can easily be done with the Mac Tools Mentor Touch Scout, No. ET6100.įor example, to perform a throttle relearn on a 2008 Silverado 5.3L, select and run the Idle Learn Reset test. ![]() Some of the information may no longer be relevant, so please use it at your discretion.Īfter cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn. Editor's Note: This article was orginally published July 16, 2014.
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