Oil consumption, MC2

scott thomas scott at dreamtheater.zzn.com
Thu Sep 26 16:18:28 EDT 2002

Clogged cats also cause low vacuum. Big marker of one.
---- Begin Original Message ----

From: Joshua Van tol <josh at spiny.com>
Sent: Thu, 26 Sep 2002 12:18:00 -0500
To: quattro quattro list <quattro at audifans.com>
Subject: Re: Oil consumption, MC2

On Thursday, September 26, 2002, at 12:57  AM, Huw Powell wrote:

>> I am also wondering if this has anything to do with the fact
>> the car is running poorly. I have full boost (on the dash
>> digital gauge) but NO power. Car acts like pressing on the
>> gas causes the engine distress. It picks up from low RPM
>> semi-normally, but then it stumbles and doesn't respond,
>> although the boost gauge goes up).
> That sounds like a clogged cat to me, to shoot from the hip.  A
> cat makes it hard to get to high rpms.  You've got exhaust back
> pressure, hence the "boost", but no flow, hence the lack of
> acceleration.

Ah, but with exhaust restriction comes reduced boost as well, because
the turbo needs high flow, and low backpressure from the rest of the
exhaust to work.

> --
> Huw Powell
> http://www.humanspeakers.com/
> http://www.humanthoughts.org/

---- End Original Message ----

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