[Vwdiesel] Strange IP Problem

[Val Christian]

Starts OK, charges OK, runs AC OK (inplying good alt output).  Why
do you ask about grounding?

When it goes in idle mode, it runs smoothly, and never stalls.

Val

> 
> Hmm.
> motor is well grounded?
> -James
> 
> Val Christian wrote:
> >> In a message dated 8/22/2006 9:03:33 PM Pacific Daylight Time, 
> >> val at mongobird.com writes:
> >>
> >>> It's happened a couple of times, usually shifting from 1st to 2nd.
> >>> Shift into 2 (or 4th), and power drops to idle.  Foot pedal is not
> >>> responsive with car in gear, and car slows down.  Push in clutch,
> >>> and rapidly operate the foot pedal, and things get better right 
> >>> away.
> >>>
> >>> The idle power is smooth, with no roughness.
> >>>
> >>> IP crowd, any ideas?
> >>>
> >>> Val
> >>>
> >>   Sounds like air in the fuel line.  Is there a kink or crack 
> >> in the IP supply line that will allow air in when the engine 
> >> rocks one way or the other?
> >>   If it's a top-of-the-tank pickup setup (instead of a fitting on 
> >> the bottom) maybe there's a leak in the tube going down, 
> >> letting air in as the fuel sloshes between shifts?
> >>      Loren
> > 
> > A fuel flow appears to be great everytime I can check it.  There are no bubbles
> > of any consequence in the IP feed line.  There are no signs of marginalized
> > fuel flow, as the car is frequently driven at 80 MPH, with AC, which 
> > pretty much assures that the power is at about 65% or higher.
> > 
> > The problem seems to mostly happen between first and second gear, and
> > on level ground.  Repeating the shift sequence going up or down hill
> > doesn't seem to increase the failure rate.  It happened once on a 3 to 
> > 4 shift.
> > 
> > Releasing the clutch, and reving the engine once, clears the problem.
> > When it gets into this modality, it idles smoothly.  In every other respect
> > the engine appears to work OK, and developes power and RPM OK.  
> > 
> > A starved IP was a suspicion, but has not been supported by any observation.
> > 
> > Val
> > 
> > _______________________________________________
> > Vwdiesel mailing list
> > Vwdiesel at vwfans.com
> > http://www.audifans.com/mailman/listinfo/vwdiesel
> > 
> _______________________________________________
> Vwdiesel mailing list
> Vwdiesel at vwfans.com
> http://www.audifans.com/mailman/listinfo/vwdiesel
>