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Re: 86 4kq stumbles when cold

I am just guessing, buy what about your warm up regulator? Check resitance
when cold.  Vacuum leak?


>Date: Wed, 14 Jan 1998 13:44:54 +0000
>From: "Greg Woodard" <gwoodard@ndsuext.nodak.edu>
>Subject: Re: 86 4kq stumbles when cold
>My 87 4kcsq does the same thing.  It seems to be related to the 
>engine temp., and only happens over a very narrow and well defined 
>temperature range.  I have some ideas about what is happening, but 
>they are only speculation.  I do know that by watching the temp 
>gauge, I can tell almost exactly when this is going to start 
>happening.  At this point I keep the engine RPMs over 2k until the 
>engine warms up a little bit more.  As long as I keep it over 2k when 
>driving there is no problem.
>> HELP!  My poor baby is sick.  First thing in the morning, it stumbles
>and gags. The best way I can describe it is fuel starvation.  The kicker
>is, is that after about 5 minutes of normal driving, it totally clears up
>with no evidence whatsoever that it even existed.  It just started to do
>this when it got cold (below 25 degrees).  Any suggestions???