Posted by Vaughn on April 29, 2000 at 11:31:25:
In Reply to: manifold vacuum problems posted by m clark on April 29, 2000 at 00:09:42:
Check all rubber hoses for cracks that go into the intake manifold and fuctioning of vacum switches;
Check your distributor vacum advance to see if it is working ok, diaphram may be cracked;
Check engine cylinder compression.