[s-cars] Going Up Mountains

[Jerry Scott]

That is probably one of the coils failing.
Jerry

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] On Behalf Of Brian Pleet
Sent: Saturday, September 01, 2012 5:18 PM
To: s-car-list at audifans.com
Subject: [s-cars] Going Up Mountains

 <s-car-list at audifans.com>On my way across the Rockies, Vancouver to
Calgary, my S6 suddenly started to hesitate on uphill acceleration, making
it difficult to pass anyone going up a hill. The engine ran rough when
accelerating, but smooth at cruising speed. No signs of trouble in the car.

When I could finally pull the DTCs there were two:
00561 Mixture Adaptation 13-10 Adaptation Limit (Mul) not reached -
intermittent
00513 Engine speed sensor (G28) 27-10 Implausible Signal - intermittent

Now it's idling rough all the time, hesitating on acceleration.

Cause(s)?
dirty MAF - never been cleaned
spark plugs - 15k km on NKGs
engine speed sensor - original
ignition reference sensor - original
POS - changed one side, other is original

Thanks

Brian

95.5 S6 230k km
90 A90Q 235k km
02 TT Roadster 165k km
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