Re: RE: Re: Stumble on start up

From: scsilverdak (scsilverdak@hotmail.com)
Date: Wed Jul 31 2002 - 18:51:24 EDT


Could a vacuum leak that occurs at start up when the engine is cold, and
then seals up after the engine heats up
cause this? say maybe a intake gasket or a hairline crack
somewhere pulling in air or expelling it cause it?
Just a thought.

Ron- '01 Dakota Sport 3.9 Supercharged
website: www.scsilverdak.com
e-mail: scsilverdak@hotmail.com
----- Original Message -----
From: "Bernd D. Ratsch" <bernd@texas.net>
To: <dakota-truck@dakota-truck.net>
Sent: Wednesday, July 31, 2002 7:27 PM
Subject: DML: RE: Re: Stumble on start up

>
> I'm still working on this issue as well. I've got the same problem and
> can't figure out what it is...and it's not the cam either. (Stock/old
> motor did the same thing...so does the new one - and it's got all new
> sensors as well.)
>
> - Bernd
>
> -----Original Message-----
> From: owner-dakota-truck@dakota-truck.net
> [mailto:owner-dakota-truck@dakota-truck.net] On Behalf Of Paul Bullerman
> Sent: Wednesday, July 31, 2002 4:23 PM
> To: dakota-truck@dakota-truck.net
> Subject: DML: Re: Stumble on start up
>
>
>
> Its the "Cam Fairy"! She comes to sleep in your engine every night.
> When you start it in the morning, she is startled, which makes your
> exhaust sound like you have a nice, lumpy cam happenin. But she soon
> flies off and everything is normal again. :0P Actually it is from your
> Idle Air Control sensor located in the TB. It gets carbon build-up on
> the plunger and does not seat properly, letting air by. Your computer
> dosent read off the IAC when its warm, thats why it dosent happen all
> the time. Pull the IAC out and clean the plunger off and spray TB
> cleaner in the hole too. Dont move the plunger though, spray it down
> and clean it gently. HTH and no I dont do drugs.... Paul
> ----- Original Message -----
> From: "jay & dana" <jay&dana@telus.net>
> To: "DML" <dakota-truck@dakota-truck.net>
> Sent: Tuesday, July 30, 2002 7:49 PM
> Subject: DML: Stumble on start up
>
>
> >
> > Need some advice here guys.
> > I've a 97, 318 and no problems starting until just a few days ago.
> Lately
> > when I start it cold in the morning it will start, then stumble (spit,
>
> > sputter, etc. not touching gas pedal at all) for 2-3 seconds then run
> fine,
> > but it has never stalled. Doesn't do this at all restarting when
> > warm, starts perfect. Any ideas what could bring this on all of a
> > sudden?
> >
> > Thanks
> > ~Jay
> >
>



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