code 2141 knock 'regulator?'

[isham-research.freeserve.co.uk at pop.pol.net.uk]

> Today, under very light boost in 3rd gear I got the check engine light
> and dumped the codes and got the 2141 which I looked up to be the knock
> regulator.  Did not notice any loss of power.  I tried to get reproduce
> the situation (3rd gear, accelerating up a hill) that gave the warning
> in the first place but could not get it again.  I always, always only
> use Chevron Super Supreme 94 octane.  SJM site says fuel octane too low,
> excessive compression, excessive boost as causes.  I listened to the
> engine and did not hear anything out of the 'ordinary'.

> Any ideas what might cause this code?  Are there any usual suspects? It
> is the first time since owning the car that I have got this code (2.5
> years)

Almost always bad fuel.  Did you fill up somewhere different last time?

--
 Phil Payne
 http://www.isham-research.freeserve.co.uk/quattro
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