If it stayed that way.. I would think something physically wrong.. but it seems more like an intermittant problem.
---- knox.james@sympatico.ca wrote:
>
>
> Maybe the timing chain has jumped a tooth thus affecting compression & Timing .
>
> Jim : 91 Dak
>
>
>
> > From: mikesykes@cox.net
> > To: dakota-truck@dakota-truck.net
> > Subject: Re: DML: Truck down
> > Date: Tue, 26 Apr 2011 19:47:06 -0400
> >
> >
> > >>One of the codes I get is 13 {No difference recognized between the engine
> > >>MAP reading and the barometric (atmospheric) pressure reading from
> > >>start-up. ** }
> > along with 12, 17, and 46.. Could I be losing signal at MAP sensor?<<
> >
> > Reset your PCM and see if things change.
> >
> > I disagree that it's a mechanical issue, but I've been wrong before. =)
> >
> > - miggity
> >
> > 00' R/T CC.
> > DMLer since 1996.
> >
>
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