The oxygen sensor is suspect, but doesn't that usually trip a mil light?
I've got 58,xxx miles on her with no O2 sensor change outs.
Plugs are gapped at stock spec.
l've had all these mods on during warm weather and all of them except the MP
SK-250 last winter with no problem.
Ronald Wong wrote:
> I also heard that gas refineries do something to the gasoline in the winter
> time. Check your O2 sensors. Don't know much about you MP-SK250 TB either.
> I'm assuming you had all these mods before the weather got cold and didn't
> experience any problems then? What are the plugs gapped at?
>
> Ron
> 00 SLT QC 4X2 5.9 46RE 3.92 LSD
> For modifications see my DML Profile
>
> -----Original Message-----
> From: owner-dakota-truck@BUFFNET.NET
> [mailto:owner-dakota-truck@BUFFNET.NET]On Behalf Of Kurt E. Swanson
> Sent: Monday, November 27, 2000 2:26 PM
> To: dakota-truck-moderator@twisted.twistedbits.net
> Subject: Re: DML: Help-Running too rich...
>
> Thanks Walt
>
> That was my first thought also, but the engine warms up to approximately 180
> and I can watch the t-stat open by looking at the temp guage. The temp then
> holds steady at approximately 180..... I've got a replacement t-stat ready
> to
> go in, but I don't think that is the problem! The other weird thing is that
> I
> don't get a mil light or anything even after it misfires!?!
>
> Kurt
>
> H62300@aol.com wrote:
>
> > Sounds like your tstat won, t let your motor warm up. Computer see, s
> > the cold sensor and it richens up the mixture. Especially when the ambient
> > temp is so low.
> > Walter P
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