1991 chevy lumina v6 3.1 liter

these conditions occur intermittenly,won't idle,runs rough at idle, rpms fluctuate much at idle, at stops engine stalls then starts fine. trottle position sensor ok, map sensor ok, egr valve replaced.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Check for vacuum leaks.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
thanks steve, will check and advise.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.