^^ Yeah I vote for a vacuum leak
Check the elbow on the front driver's side of the manifold right next to the throttle body. That elbow rots away very easy and GM doesn't carry it.
$2.00 for a vacuum tee and some hose and it's fixed
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2000 Olds Alero 3400 SFI 14.53 @ 94.93
1985 Olds Delta 88 307 SBO 17.96 @ 76.99
2007 Volvo V50 T5 6M 15.782 @ 89.12
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