RE: RE: Was checking transmission line pressure,now other stuff. (Bernd)

From: Steve Preston (steveophonic@yahoo.com)
Date: Mon Jul 30 2007 - 19:44:59 EDT


But it seems linear like it's working,doesn't it? I
know I still need to check it at WOT,which I will,but
are you saying every reading for each rpm is too low?

Thanks Bernd.

Steve P.

--- "Bernd D. Ratsch" <bernd@dodgetrucks.org> wrote:

>
> MAP reading is too low....
>
> -----Original Message-----
> From: jon@dakota-truck.net
> [mailto:jon@dakota-truck.net]
> Sent: Sunday, July 29, 2007 3:28 PM
> To: dakota-truck-moderator@bent.twistedbits.net
> Subject: Re: DML: RE: Was checking transmission line
> pressure,now other
> stuff. (Bernd)
>
>
> Steve Preston <steveophonic@yahoo.com> wrote:
>
> > Okay,got everything working again and rechecked
> the
> > truck. Fully warmed up:
>
> > MAP: 12.1 inHG at 680 rpm
> > 9.2 inHG at 2500rpm
> > 8.6 inHG at 3052rpm
> > 8.0 inHG at 3600rpm
>
> > Timing advance: 13-20 degrees at 672-750 rpm
> > 43 degrees at 2500 rpm
>
> > 02 sensor 1 bank 1 fluctuates from .880-.060v
> > 02 sensor 2 bank 1 fluctuates from .140-.620v
>
> > I didn't think sensor two had this much activity
> last
> > time I checked. I could not determine barometric
> > pressure. It is 1013 in my area right now,but
> nothing
> > correlates to that on my scanner.
>
>
> Steve,
>
> 1013 is the barometric pressure in millibars.
> That corresponds to
> approximately 29.91 inches. Check the MAP reading
> on your truck with
> the ignition on, but the engine not running. That
> will give you the
> ambient barometric pressure, which should match the
> barometric presure
> in your area. (If the engine is running, the motor
> will pull a vacuum
> and lower the MAP reading, so to compare with the
> weather station you
> need to have the engine off.) If your local weather
> station only gives
> the reading in millibars, do a google search for
> "barometric pressure
> conversion", and you will find several sites with
> lookup tables and
> javascript calculators to do the conversion.
>
> --
> -Jon-
>
> .- Jon Steiger -- jon@dakota-truck.net or
> jon@jonsteiger.com -.
> | '96 Kolb Firefly, '96 Suzuki Intruder,
> Miscellaneous Mopars |
> `--------------------------------
> http://www.jonsteiger.com --'
>
>
>

       
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