Recent content by Garydoolin

I didn't know that. I guess it was the battery disconnection is what did it. Either way I'm just glad it is fixed. Thanks for your help.

It is idling good now. I cleaned the TB again and I had the battery disconnected. After I got it cleaned and the battery hooked back up I did this, starting with number 2

OK I change fuel pump and that fixed the po463. Fixed the evap leak. Did the tune to delete the cat and back o2 sensor. I checked the oil when I read that it could cause the po014 and po017 codes. Sure enough it was low. Close to 2 quarts. Changed the oil and don't have those codes any longer...

Thank you both. I will try these and report back.

Additional info it it helps it seems like it does it after it warms up to operating temperature.

Hey guys. I have a 2006 trailblazer 4.2 164000 miles. I have had the rough idle in it since I had it. I have pulled and cleaned the TB several times over the years I've had it (I bought it when it had 80000) and it would always fixed It. I would always do the relearn procedure also. It started...