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.

Check for vacuum leaks.

thanks steve, will check and advise.

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1 8th June 08:07 irondog External User Posts: 1	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.

2 8th June 08:07 steve mackie External User Posts: 1	1991 chevy lumina v6 3.1 liter Check for vacuum leaks.

3 8th June 08:45 irondog External User Posts: 1	1991 chevy lumina v6 3.1 liter thanks steve, will check and advise.