I have a 2007 Avalanche and I removed the Throttle Body Valve and cleaned it and installed it back and followed the directions to have relearn the idle position, done it twice and it will not reset, what can I do to fix this... originally I had a eng. check light code for this, the light is gone now.... Any info. will be appreciated...

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Techsus
Techsus

Did you R&R TB gaskets before reinstalling? Double check that all related Sensors are tightly snapped into place-- just takes a minute to check. Look for dangling wires. Are sensors plugged in to the correct sockets? Just simple stuff to check. Try removing (-) battery terminal cable. Wait a while. Reconnect. See if you can re-set now. Let us know what you find, for the common good.