It Sounds Like A Iac Motor/vaalve That May Be Shorting Out.you Also May Consider The Egr Going Bad.sometimes The Passages To Your Egr Ports Get So Carboned Up That They Will Either Sensors To Short Out From Time-time.you Caould Also Have A Faulty Mas Sensor On The Vehicle.if You Need Help Manually Checking These All Out,give Me A Hollar.

 

I will over the next couple of months be cleaning this up.

Moderator I would greatly appreciate any help on this, old links remove links that don’t work remove.

PLEASE do not add to this at all.