Got ya, so it cuts out the fuel (oviously not all the way, like to a idle
speed amount) and you run really lean and make no power right? Thats when
you get that hesitation under part throtlle and more that you all (SC daks)
are always talking about???
TJ
----- Original Message -----
From: "Bernd D. Ratsch" <bernd@texas.net>
To: <dakota-truck@buffnet.net>
Sent: Sunday, February 25, 2001 5:38 PM
Subject: DML: RE: Re: RE: recalibrated MAP sensors?
>
> The MAP Sensor works on a linear scale.
>
> On initial Key ON/Engine OFF, it sets the baseline "0" reading
(atmospheric
> pressure). Going from idle to WOT varys since the load will vary.
Voltages
> are from 1 - 4.6v (on the average)...4.6v being 0"hg and 1.2v being about
> 17-20"hg. (That's for simplicity's sake...readings will vary due to
load.)
>
> But, the when under boost (positive pressure / +1-2psi), the MAP reads
above
> 4.7v which is out of range from the initial "0" reading. This "freaks
out"
> the PCM and it registers 30.8"hg (light load/lean condition).
>
> - Bernd
>
> -----Original Message-----
> From: owner-dakota-truck@buffnet.net
> [mailto:owner-dakota-truck@buffnet.net]On Behalf Of TJ Goettner
> Sent: Sunday, February 25, 2001 5:51 PM
> To: dakota-truck@buffnet.net
> Subject: DML: Re: RE: recalibrated MAP sensors?
>
>
> OK, but what casues the Map sensor to read (what is it high boost or
vac??)
> what it does when it is actually under boost from a supercharger??
Anyway,
> how does it normally operate??
>
> TJ
> ----- Original Message -----
> From: "Bernd D. Ratsch" <bernd@texas.net>
> To: <dakota-truck@buffnet.net>
> Sent: Saturday, February 24, 2001 8:19 PM
> Subject: DML: RE: recalibrated MAP sensors?
>
>
> >
> > One problem...if you want to change out to a 2-BAR (or 3-BAR) MAP,
there's
> a
> > lot of extra code required in the PCM for that. From the emails I had
> > received from three people (who program or have knowledge to program)
> these
> > PCM's...it's too much of a pain to try to reverse-engineer them. No one
> > wants to touch them.
> >
> > I looked into this when I first installed my S/C and started looking at
> the
> > MAP signals.
> >
> > - Bernd
> >
> > -----Original Message-----
> > From: owner-dakota-truck@buffnet.net
> > [mailto:owner-dakota-truck@buffnet.net]On Behalf Of 1 BAD ARK DKTA .
> > Sent: Saturday, February 24, 2001 10:10 PM
> > To: dakota-truck@buffnet.net
> > Cc: m5sword@aol.com
> > Subject: DML: recalibrated MAP sensors?
> >
> >
> > Has anyone seen or used a MAP sensor from Electromotive?
> > They have 3 differnt sensors.....1 bar for normally asp
> > 2 bar for up to 15 p.s.i. boost
> > 3 bar for up to 30 p.s.i.
> > if not i will be calling next week to find out more.
> >
> >
> > Steve
> > 95 CC 5.2 SLT
> > MOPAR : "360-Heads" ,cast valve,and breather covers,R/T package
> > cam,underdrive pulleys,7.5mm sparkplug wires,igntion upgrade(made by
> > MSD),roller rocker package.
> > block bored 30 over, forged pistons,K&N 14x3.
> > series 40 Flowmaster 3" pipes(no cat)
> > smoothed & painted front bumper,painted grill,Sir Michael's rollpan
Le
> > Bra bed cover,16" Centerline Aztec.
> > 2 DML stickers!!
> > Best run: ( yes the track is only 1000ft)
> > 11.92 1000ft
> > 87.4 mph 1000ft
> >
> > _________________________________________________________________
> > Get your FREE download of MSN Explorer at http://explorer.msn.com
> >
> >
>
>
>
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