maxwedge

TBI, sounds like a bad egr valve partially stuck open or a lazy idle air control.

1992 sierra 350 5.7L

thanks for the advice. i am also having another major issue with my truck. when i start it up, the idle is fine, driving on the road above 15 mph the rpms are also fine, but upon deceleration, my truck almost stalls out and dies no matter what. it ALWAYS happens when i slow down. i dont know what to do and its really starting to get on my nerves. i noticed that you have an answer for almost all of the older chevy posts so i figured i might as well go to the source.let me know what you think, thanks.- chad

I am 71, yikes.. Agreed on Erich, seems to be on top of the GM stuff, sounds like a dealership employee.

Hi Shep,
Who's the Old Man of this site nowadays?
Looks like Twospirit's last post was a year ago and I want to nominate Eric for Adviser on the Bravada site.

It just spins like it is stripped, if so take it out and look at the threads make sure it is the proper length and thread size.

It came out the usual way. When I put the bolt back in it threads all the way back in against the tensioner but will not tighten. The belt is running tight on the pulleys. Will this work itself back out and cause the belt to come off while I am driving?

Some cars, the tensioner bolthas a reverse thread, whayt do you mean it just keeps turning like it is stripped?

I put the belt tensioner back on,got the belt back on. The only problem at all is that the bolt going back in holding the tensioner will not tighten back up tight. I even tried put the old bolt back in and it will not tighten up. What could cause this?

Thanks, but I do not presently own a Lumina.