RE: too rich!

["Toby Smith" <tobys@xxxxxxxxxxxxx>]

Appreciate all the help with this, the consensus is that I have a bad
fuel pressure regulator.

One thing I noticed this weekend is that if I turn the car off during
this problem, and unplug the ECU, and plug it back in, the car runs like
a champ.

The fuel pressure regulator is not directly controlled by the ECU is it?
Why would this make a difference?

Thanks again,

- -Toby

- -----Original Message-----
From: Toby Smith [mailto:tobys@domain.elided]
Sent: Wednesday, November 28, 2001 11:38 AM
To: bmw-digest@domain.elided
Subject: too rich!

halfway to work each day my 325es starts to sputter and choke - black
smoke indicates way too rich a fuel mixture.
is there anything in the emissions controls that would make such a
drastic adjustment to mixture?
i always fiddle around with this and that, but it seems like time is
what gets the problem to reset (about 5 or 10 minutes).
just did a tune up (plugs, air & fuel filters, coolant temp sensor,
etc)the car runs very smoothly, but then this happens every so often.
can the 02 sensor make such a drastic change?


- -Toby




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