Engine & Tranny problems 2

[ronmarabito2002]

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]
> >
>