[V8] Swing and a Miss

[Tony and Lillie]

One simple thing that can have an affect on idle, but not higher revs is a 
vacuum leak.

Other than that, pulling codes is the only thing I can come up with.

Tony Hoffman

----- Original Message ----- 
From: "Scott Simmons" <indischrot at gmail.com>
To: "V8 Audi Fans" <v8 at audifans.com>; "Fred Banks" 
<gimmiegimmieemail at gmail.com>
Sent: Tuesday, January 30, 2007 5:47 PM
Subject: [V8] Swing and a Miss


> Been trying to track down a miss.  Only occurs when car is up in
> operating temperature.  Went ahead and changed the plugs because, well,
> I have on idea how old they are and they were suspicious to begin with.
> It's only a slight miss, here and there and can only really be felt at
> idle.  Car revs like a champ over 1k without any stumble.
>
> Well, there is a stumble.  But I think it was a one-time deal.  Had come
> to a complete stop to let someone out of the car.  Engine was around
> 25-50*C, defrost was on.  Hit the gas to forward and the lights dimmed,
> the car hesitated for about half a second, then just continued on like
> nothing had happened.  Pulled forward 20 yards and tried it again.  Came
> to complete stop and gave it some gas.  Light dimmed and car hesitated,
> again, for a split second, then just drove on.   I got closer to home
> before experimenting more (it was about 5 miles and 20*F outside, wasn't
> in the mood to walk) but couldn't get the car to act up again.  Haven't
> since that night.  If it doesn't do it again for the next few nights,
> I'll consider it a one-time-deal and forgive the poor bugger.
>
> But regarding the miss, I think it's unrelated.  I'd love to pull the
> codes, but it's f'ing cold out, there's snow on the ground, and I don't
> feel like kneeling out there in the elements waiting for the LED to
> blink.  I'll borrow a garage and pull codes sometime this or next week.
> I just wanted to know about any popular spots to start looking.  Wires
> look good.  Haven't had time to pull the caps and inspect them nor the
> rotors.  Any other helpful ideas?
>
> Thanks,
> Scott Simmons
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