RE: [DML] Poor Running when cold, Please Help

["John Hervey" <john@xxxx>]

Dennis, If all you vacuum hoses are ok, then most likly it's the Warm Up
Regulator or also known as the Control pressure regulator. Here is a link at
to what it looks like.
It's about 3/4 of the way down the page on the right.
John Hervey
www.specialtauto.com
Delorean parts

-----Original Message-----
From: dcsj4465 [mailto:dcsj@xxxx]
Sent: Thursday, October 16, 2003 4:04 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Poor Running when cold, Please Help


I have a friend who is having problems with drivability when the
engine is cold. Now it seems to be getting worse. The problem seems
to persist with cold ambient temps. When ever the eng is cold he has
to let it warm up a couple minutes otherwise it will buck and jerk
pretty bad. It usually clears up in a mile or two. Recently he had to
drive nearly 10 miles before it cleared up. That day the morning temp
was in the 20's.(DULUTH,MN) The last time I talked with him he had
driven the car up the Northshore of lake Superior about 20 miles with
it running poorly all the way. After he arrived at his destination,
he gave the throttle spool some quick revs as if too try and clear
the engine out then shut it off. He drove home an hour later and all
was fine. This is a mystery! Any suggestions wound be helpfull. Also
the frequency valve appears to be buzzing just fine. Is there a most
likely item we should be looking at that would cause this senario of
events?

Thanks, Dennis 5180



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