[s-cars] Power Output Stages (POS) - Ignitors
fastscirocco_2000 at yahoo.com
Wed Oct 31 07:51:39 PDT 2007
I have one in my Silver S4 which is currently awaiting bodywork.
It's run fine on RS2 software with Garret 3071 turbo, RS2 em, RS2 maf.
My car is just sitting, if you need them I can pull the coil pack
and POS's and send to you for diagnostic use.
where are you?
--- Manuel Sanchez <manuelsanchez at starpower.net> wrote:
> Fellow S-heads,
> I had heard that we can substitute the our era's V6 POS's for the AAN
> POS's, at approximately half the cost.
> 1. Has anyone successfully run the V6 POS's on the AAN here?
> 2. Has anyone successfully run them on an RS2 AAN?
> My continuing saga of trying to sort thru my power problem has
> resulted in a new (Oh joy) problem. I have the distinction of having
> 2 complete sets of new ignition components, an 034 DIS Coil System
> and the OEM Coil System. I have not confirmed completely if my
> problem is fuel or spark yet, but neither seems to be working for me.
> When I have the 034 DIS Coil system installed, I am experiencing a
> severe power cut-off at peak boost levels. I have swapped my ECU with
> a bone stock one, I have swapped chipsets in my own ECU (I have
> swapped the relative components as well such as stock injectors with
> the stock ecu) and this power cut off has occurred on all 3 versions,
> at 3 different boost levels, all coordinated with the peak boost
> level of the coordinating software (14-15psi, 25 psi and 27 psi).
> When I have run the stock Coil System (coils are relatively new,
> about a year old) very recently I have been "lucky" to have a new
> problem arise, I will drop a cylinder (confirmed by disconnecting the
> injector leads one at a time to isolate the cylinder). The first time
> this happened, I lost cylinder #5. At the time I had the original OEM
> AAN POS's. I swapped POS's, but unfortunately I was not lucky enough
> to win the "easy channel swap POS lottery". These POS's have 126,000
> miles. So I went out in the back yard and dug up my wallet, it took
> some time to find, as I have a whole lot of holes in my backyard from
> all the wallet burying I've been doing to try and solve this problem.
> I bought 2 brand new Beru V6 POS's (Part # VWW075763 / 4A0905351)
> from our vintage of V6 Audi's. I installed them last weekend with the
> heat sink paste and drove them sedately for about 175 miles. After an
> hour long drive yesterday, I decided to beat on them to see if my
> drastic power loss problem was resolved. About a half dozen WOT 2nd
> and 3rd gear redline pulls seemed to show success! Well the Audi gods
> quickly saw my glee and decided to pee all over my party. I shut the
> car down for about 15 minutes, when I restarted I lost a cylinder,
> this time it's Cylinder #2. I have been told cylinder #2 and #5 are
> run by different POS's.
> I have not determined if the lost cylinder is because the coil is not
> firing or if the injector is not firing, too pissed to look at the
> I have about 2 weeks until the VIR Driving School Event to sort this
> headache. This has beaten me down so much that I'm almost sure I'm
> not going to make it (which is really too bad as I really look
> forward to my bi-annual therapy session). So if you wanted to be able
> to go to this event and didn't get in, send me an email and I'll put
> you on my list of people to call if I can't get this sorted out in
> time for the event, at which time I'd try to arrange for whomever to
> buy my slot in the yellow group - cost is $345 for event
> Discouraged and in Audi Hell,
> 95.5 UrS6 Avant (mostly RS2)
> S-CAR-List mailing list
> S-CAR-List at audifans.com
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