RE: [DML] Slightly rough hot idle

["John Hervey" <john@xxxxxxxxxxxxxxxx>]

Andy, Dirty injectors naturally will cause that along with wires and or
plugs. But if the wires and plugs looked good then most likely injectors.
John Hervey
www.deloreanautoparts.com
 

-----Original Message-----
From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of
soma576
Sent: Thursday, April 28, 2011 9:30 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Slightly rough hot idle

Hey guys,

Been a long time since I had to troubleshoot an idle problem, so maybe
someone can remind me where to start!

Last year, and now this year (just started it up this week after sitting all
winter) I've noticed a somewhat rough hot idle.  The car starts easy, seeks
for a few seconds as normal when cold, then settles down to a steady idle
around 700 RPM.  However, after driving for awhile and the temp gets up,
when you roll to a stop it warbles and every now and then surges slightly
like it's going to seek.  Then it settles down to a slightly rough idle,
sometimes surging every few seconds.

I recently changed the fuel accumulator, made sure everything was good in
the gas tank, and regapped the plugs (they were all in good shape and didn't
show anything bad last spring).

Any good ideas where to start?

Andy





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