[s-cars] CPS or no CPS, that is the question.

[Robert Myers]

I'll hafta look into that, Douglas.  My ECU has been in and out of 
the car so maaaannnny times...  It will be a simple matter to burn 
myself some new chips and give 'em a try.

Thanks for the suggestion.

Bob



At 05:31 PM 9/6/2008, Douglas Fifield wrote:
>Bob,
>
>I had a similar situation long ago.  Engine would cut out every once
>and a while and then run fine.  Finally, it died completely on the
>freeway and required a flatbed to the wrench.  Initially, the
>suspicion fell on the CPS, but after some sleuthing, the wrench
>decided that it was something inside the CPU.  Sometimes the car would
>start, but when the CPU was tapped with the handle of a screwdriver,
>the car would die.
>
>Turned out that it was a bad eprom that was part of the MTM chip
>upgrade that I had done a couple of months prior.  A new chip was
>swapped in and I have not had that problem again.  Though I did have
>to put a new CPS in a couple of years later.
>
>HTH,  Douglas
>
>On Sat, Sep 6, 2008 at 3:40 PM, Robert Myers <bob at chips-ur-s.com> wrote:
> >
> > Hi again Y'all,
> >
> > A couple of weeks ago I was forced into the infamous BFPHFH (large
> > pot hole from heck) and the car suffered a BIG jar at the RF
> > corner.  A second or so later the engine faltered and then
> > immediately caught again.  The falter was a complete engine shut-off
> > not just a missing cylinder.  The falter happened again another 5-6
> > timr before I made the last two miles home.  The car, at that time,
> > felt like it did back months earlier when I had a failed CPS (crank
> > position sensor) so I replaced the CPS and the car ran fine again -
> > for a while.
> >
> > So - today - I took the S6 out to pick up some stuff for the better
> > half.  Engine faltered three times on me.  Just like before I
> > replaced the CPS.  I'm thinking it wasn't the CPS.  Now what sez
> > I?  I didn't notice whether the tach responded to the falter or
> > not.  I wasn't really looking for it and I didn't notice any tach
> > activity with peripheral vision.
> >
> > Suggestions?
> >
> > Bob
> >
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> >
>
>
>
>--
>Douglas in MN
>95.5 Audi S//6 Avant
>73 BMW R60/5 mit Toaster Tank
>
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