wicked squeaks, possibly TPEFI related

[Orin Eman]

> Check this out, I can pull the engine oil dip stick when it's squeaking and
> magicly, it stops. That's why I think it might be EGR related. The EGR valve
> vacuume line is disconnected. The truck stumbles bad when it's connected. I
> suspect the diaphram is leaking. I can't pull vacuume in it if the engine is
> running. Pulls ok when the engine is off.

Crank seal(s)?  If they deteriorate, it pulls air past them and squeaks...
until you pull the dip stick.

Orin.