Visible Exhaust Smoke- Flunked Emissions
alan.sullivan at lmco.com
Thu Aug 29 18:15:40 EDT 2002
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I've noticed the same effect, but it's been the case since the car was new.
Biggest impact on oil pressure was using a Fram. After a thousand miles, it
capped oil PSI at 3 bars. I immediately switched back to the OEM/Mahle
filter and it's been fine ever since. I see no relationship between my
smoke situation (it's just a little bit and I'm not using very much oil) and
From: Jobe Tichy [mailto:bimmer_dude at hotmail.com]
Sent: Thursday, August 29, 2002 5:07 PM
To: eyvind.spangen at c2i.net; alan.sullivan at lmco.com
Cc: 200q20v at audifans.com
Subject: Re: Visible Exhaust Smoke- Flunked Emissions
Would a blown turbo seal also have a correlative effect on lower oil
pressure? I just drove 300 miles yesterday in 95 degree heat and saw that
my oil pressure, after the oil being hot (110ish plus Centigrade) for a long
time, would read 4.5 bar but not as high as 5 when cruising. I first
disregarded this as being really hot oil from the outside temp and thus less
thick or the valve in the filter possibly blowing off, but not a turbo seal.
I have 170,000 on the original turbo, and notice some smoke on start up but
not at idle. I also passed a stand-still emissions in Washington State no
problem in March and pull 1.7 also. Not quite sure what's going on in
'91 200tq 20v
'84 BMW 318i (modified)
>From: Eyvind Spangen
>To: "Sullivan, Alan"
>CC: 200q20v at audifans.com
>Subject: Re: Visible Exhaust Smoke- Flunked Emissions
>Date: Thu, 29 Aug 2002 18:15:51 +0200
>On Thu, 29 Aug 2002 08:10:15 -0400, you wrote:
> >My 91 200 TQ just flunked the VA emissions inspection for visible smoke.
> >With 156,000 miles on the car, I'm facing a fix-or-dump decision.
>I'm not sure, but it sounds like a turbo seal failure. When cold, the
>oil is thicker and won't get past the seal, but as the engine warms
>up, it gets thinner, and the exhaust starts smoking.
>The turbo in my 200q lasted 165k miles, when it started smoking a lot.
>It also smoked white/blue smoke when idling. A new turbo was
>installed, smoke gone for good..
>One strange thing is that your turbo pulls 1.7, mine could barely do
>1.4 just before I replaced it..
>'89 Audi 80 2.0E quattro
>('90 Audi 200TQ20v - garasjedronning)
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>200q20v at audifans.com
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