code 94 - idle speed too high

Hi,
I have a 94 SL1 w/ standard transmission. I got a
check engine light and the reveled code is a 94, which
is idle speed too high (vacuum leak). I checked
around and saw no obvious "hose off" or anything.
Just for grins, I replaced the PCV and grommet as
well as a "not so clean" air filter. The PCV had a real-
ly sloppy fit into the valve cover. However, I am still
getting the check engine and code 94. If I am at a
stop light and sitting there idling, the engine will speedup
for a few and check engine will illuminate. Anyone seen
this and solved this problem?

chuck

 

EGR maybe. The replacement PCV parts not OEM?

 

I'd pull the throttle body and give it a good cleaning while you're at
it. Might have a gummed up IAC, and that can do interesting things...

 

Phipip,
What is a IAC?

chuck

 

Idle Air Control