[V6-12v] C4 100 new owner questions

[Elliott Potter]

I'm gonna dispute your numbers here ... The recommendations I've seen
for minimum fuel octane are 95 RON for AAH and AAH/AFC engines, and 91
RON for straight AFC engines.  95 RON is a good rule of thumb for all
12v engines.

Around here[1], "octane" means "(R+M)/2" (or AKI) ... I think 92 AKI is
the recommended minimum.  Running more than one or two octane higher
than what's on the fuel door is probably just as bad as running too low
octane.
--
Elliott

On Wed, 23 Jun 2004, Tom Christiansen wrote:

> Audi recommends using 95 octane ((RON+EON)/2) or 98 octane (RON) in their
> vehicles. You may run on a lower octane gas as an emergency but should
> switch to 95/98 octane as soon as possible.
>
> Tom
>
> At 09:12 AM 6/23/2004, Nathan Widmyer wrote:
> >hmm, well, I do use 93 octane only, I could try the injection cleaner
> >because it would be easy to run through.  I could take a quick look at
> >the MAF sensor too.  I'll see how those turn out if I need to do the
> >other items.
> >
> >On Wed, 23 Jun 2004 07:56:49 -0500, Jon Spensko
> ><spensko at cox-internet.com> wrote:
> > >
> > > Kent,
> > >
> > > "The car hesitates on acceleration."
> > > This could be:
> > > Fuel Filter
> > > Put some good quality injection cleaner in the gas
> > > Run premium gas
> > > Vacuum leak, check all lines especially the brake vacuum booster line.
> > > Intake plennum seal, AKA: Le Doughnut
> > > Dirty MAF sensor
> > > (Start with those)
> > >
> > > regards
> > > Jon Spensko ><))>
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "Kent McLean" <kentmclean at mindspring.com>
> > > To: <v6-12v at audifans.com>
> > > Sent: Tuesday, June 22, 2004 11:32 PM
> > > Subject: [V6-12v] C4 100 new owner questions
> > >
> > > > My new-to-me '94 100S Avant (FWD auto) is not without
> > > > its problems.
> > > >
> > > > - The car hesitates on acceleration. Sometimes it's just a
> > > >    subtle stutter. Other times a full fledged "I don't want
> > > >    to go".  I need to pull the codes, if it's possible like
> > > >    it is on the Type 44 200.
> > > >
> > > > - There's a slight shimmy from the steering. I presume out
> > > >    of balance or out of round wheels and tires. The wheels
> > > >    look like they've hit a few curbs (kerbs).
> > > >
> > > > - When I first shut the car off, I couldn't get the key
> > > >    out of the ignition. The owner's manual provided a clue.
> > > >    The car has to be in Park to remove the key. On my car,
> > > >    it seems the parking interlock is a bit out of adjustment.
> > > >    Fiddling with the shift lever trips some switch so I can
> > > >    remove the key. Is there and adjustment to be made? Or a
> > > >    switch to be replaced?
> > > >
> > > > I'll have more questions as I put on the miles.
> > > >
> > > > Regards,
> > > >
> > > > Kent McLean
> > > > '89 200 TQ, "Bad Puppy"
> > > > '94 100S Avant, (name to be determined)
> > > >
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