Having problems with your 2006 GMC Envoy ?

Slow idle fault code, sometimes dies when shifted into gear. After clearing the fauld it returns within a few miles with a pending indication after code.

Posted / edited by AnonymousUser on : 25-05-2020

Answers :

Hello! The low idle code, speaking from experience, is mainly caused by a carbon fouled throttle body air valve that is not opening up at idle. Inspect throttle body for carbon build-up.and clean if necessary. WD40 the throttle shaft and linkage.

Cylinder misfire is a common cause of carbon build-up. Check each coil pack and associated wiring to determine if there is a problem.

Coming out of the rear of the air filter box is a black plastic tube called the mass air flow sensor. One end smaller than the other and a connector plug on it's side. One end connects to air filter outlet box, the other to the throttle body. Remove and clean using a Radio Shack product called DEOXIT($14.99). It is an electrical component spray. It comes with a gold contact circuit board cleaner as well; Set that to one side. Spray the membrane and reinstall. Spray the male/female connector

Start the car and see if your problem is gone...Keep me informed....I am here!


Do you have the code number. check the TPS (throttle Position Sensor) its next to the air intae. believe it or not my dad usally will use throttle cleaner in the air intake to clean it off. just a few squirts will clean it off.
\015\012if you need assistance in locating it let me know.
Repair Help & Product Troubleshooting for 2006 GMC Envoy

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