Silverado 2008

Throttle/Idle Learn Procedure

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Specific to:

Chevrolet Silverado 1500 2008


NOTE
This procedure is performed after the throttle body is cleaned or replaced.


NOTE
Using the GM diagnostic scan tool, or equivalent, refer to the on-screen reprogramming directions and perform the throttle/idle learn procedure.

  1. With the ignition ON and the engine OFF, perform the idle learn reset in mode setup, using the scan tool.
  2.  
  3. Start the engine and monitor the TB Idle Airflow Compensation parameter.
  4.  
  5. The value should equal zero percent and the engine should be idling at a normal idle speed.
  6.  
  7. Clear any DTC-s.
  8.  

 
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