Engine & Tranny problems 2

[ac7880]

Ron and Shirley are back on the road and headed towards Gallup NM.
Ron will give a update when he has internet access.

Dan, Albuquerque NM
BB BMC 37'

--- In WanderlodgeForum@yahoogroups.com, "ronmarabito2002"
wrote:
>
>
> Just talked to the shop. Nothing on the electrical at this point,
but
> they found low fuel pressure, changed filters. I had asked them to
> change the air filter anyway, because it was needing it.
>
> They found a hole in one of the turbo boost pipes and repaired it.
> That alone could have caused some of the power loss. It says
nothing
> about the crazy throttle response where at full throttle, we only
got
> 1900 rpm and when backed off, we got the full 2200 rpm.
>
> They are getting ready to go do a new throttle response test and
power
> test. I will talk with the manager shortly to see about having the
> batteries isolated and tested.
>
> More info a little later. I will not have internet in a little
while,
> so I may have to update you when I can find service.
>
> R.E. (Ron) Marabito, Dallas, TX 92WB40
> Currently in shop in Albuquerque, NM
>
> --- In WanderlodgeForum@yahoogroups.com, "ronmarabito2002"
> wrote:
> >
> > Had three error codes. 16, 44, and 52 52 was a ECM failure,
one has
> > a high coolant temp and can't remember off hand the other since
I'm
> > not currently at the coach. Both alternators were completely
> > re-built, so I doubt the problem is there.. Right now, with the
high
> > amp pull and low voltage, I am more suspicious of the batteries.
> >
> > R.E. (Ron) Marabito, Dallas, TX 92WB40
> >
> > --- In WanderlodgeForum@yahoogroups.com, jim riordan
wrote:
> > >
> > > Well,
> > >
> > > I had alot of guage problems, I found that I had alternator
> > problems, when I replaced both alternators those problems ceased.
I
> > have DDEC1 the Alternator problem did not cause any problems with
> > them. What kind of error codes are you getting?
> > >
> > > Jim Riordan
> > > 88 WBWL XXV
> > > Stuart, Fl
> > >
> > > Gregory OConnor wrote:
> > > Ron, Often overlooked by class 8 repair shops are the
high
> > amp high
> > > discharge /recharge inverter drawn powersource on a motorhome.
The
> > > uncommon factors sometimes reveal possible conclusions. I would
pull
> > > all 11 batteries (disconnect) and install one proven battery at
the
> > > engine start bank to continue the test. The Carvers had wierd
> > > problems that proved to be bad batteries. I hope it is somthing
> > > easily correctable.
> > > GregoryO'Connor
> > > 94ptRomolandCa
> > >
> > > --- In WanderlodgeForum@yahoogroups.com, "ronmarabito2002"
> > > wrote:
> > > >
> > > > I had to pull into Stewart & Stevenson in Albuquerque with
engine
> > > > power problems and shift problems. It all started after we
left
> > > > Dallas yesterday. I had a sudden 170 amps and 10 volts,
followed by
> > > > total loss of 12 v power to instruments, radio, etc... By the
time
> > > I
> > > > was off the road, the power was back. I then noticed a lack
of
> > > power.
> > > > Pulled some minor grades of 2 or 3% with a drop in speed to
50 mph
> > > at
> > > > full throttle.
> > > >
> > > > Nursed the unit in to Albuqerque this morning. Had a fuel gage
> > > > intermittent that went from normal to full peg on full. When
> > > making a
> > > > hard left turn, transmission check light would flash and beep.
> > > >
> > > > S & S did a power check and found at full throttle, engine
could
> > > only
> > > > make 1900 rpm. When backed off, the rpm went up to 2200. Just
the
> > > > opposite of normal. They are very suspect of the DDEC2 at
this
> > > point,
> > > > but are trying to rule out everything else first. Changed air
> > > filter,
> > > > they were started on a fuel system check when I left for
dinner. I
> > > > had checked all the connectors this morning and they were
fine.
> > > Could
> > > > not trouble shoot because I have no diagram of those circuits.
> > > >
> > > > I know the grounds on the alternators and engine to chassis
are
> > > fine.
> > > > Not sure about any others, but they are checking them.
> > > >
> > > > I'm convinced that whatever caused that electrical anomoly
> > > yesterday,
> > > > damaged the ECM and it will probably have to be replaced. $$$$
> > > >
> > > > Let you know more tomorrow.
> > > >
> > > > R.E. (Ron) Marabito, Dallas, TX 92WB40
> > > > Currently in the shop in Albuquerque, NM
> > > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > ---------------------------------
> > > Ahhh...imagining that irresistible "new car" smell?
> > > Check outnew cars at Yahoo! Autos.
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
>