do I need to change entire throttle body to replace idle air control valve?

Asked by Feb 12, 2014 at 04:20 PM about the 2005 GMC Savana 3500 Extended

Question type: Maintenance & Repair

Auto repair shop tells me they need to replace entire throttle body because the idle air control is programmed to match

4 Answers


If you have the electronic gas pedal then it looks like it is sold as one complete piece.

2 people found this helpful.

Not cheap either.

1 people found this helpful.

Don't know about gas pedal but it is gonna be about $600 bucks. The Idle sensor is mounted with two screws on side of throttle body but mechanic says its programed together with throttle body


If you don't have a mechanical throttle cable the gas pedal feeds your input to the PCM. The computer then operates the throttle blade. The IAC is part of the unit. I don't know about programmed to match. The manual just specifies that the new assembly must go through a re-learn procedure after installation. Looks like the assembly is 288 on rockauto so you can be certain that GM charges more and prob at least 2 hrs labour.

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