Re: Wierd 4kq CIS Fuel Problem

[Todd Phenneger <phen9461@uidaho.edu>]

On Wed, 10 Feb 1999, Phil Payne wrote:

> Turbo or non-turbo has nothing to do with it.

	THen why is it that NA Audis run fine with no Oil Cap and the
Turbo motors couldn't even think of it?

> What is important is the position of the breather system entry point
> to the air inlet relative to the air mass sensor paddle.  If the gases
> from the breather system enter _before_ the air mass sensor, the engine
> will always be insensitive to the oil filler cap test.  If they enter
> _after_ the air mass sensor, the engine should be sensitive.

	ARe the Turbo motors and Non Turbo motors different in this
respect?

> The key test, which is honestly not a great deal of use diagnostically,
> is: "Does an engine with breathers entering _after_ the air mass sensor
> stumble when the oil cap is pulled?"  If it does, it means that there
> are so many leaks already that one more makes no difference.

	All the NA's I've pulled cap on run fine without it.  Turbos dont.
At least IMHE.   L8R
Todd