Fw: Power loss and white smoke
alancordeiro at comcast.net
Tue Apr 11 06:30:33 EDT 2006
> IMO, I5 head gaskets are bullet proof and not age dependent, unless the
> engine has been overheated enough to warp the head, which can cause
> immediate failure unless the head has been planed.
> > From: "alan cordeiro" <alancordeiro at comcast.net>
> > Date: Mon, 10 Apr 2006 22:01:14 -0400
> > To: "George Fairbanks" <fairbanks at cmu.edu>, <200q20v at audifans.com>
> > Subject: Re: Power loss and white smoke
> > It may be time for a new head gasket, the white smoke sounds like the
> > early symptoms. Has the car ever had the head gasket replaced?
> > With high boost (the chip) and 190k, it sounds about time for the
> > original to give up the fight.
> > Are you starting to blow coolant out the top of the coolant reservoir
> > when you drive it hard (hi boost repeatedly)?
> > ----- Original Message -----
> > From: "George Fairbanks" <fairbanks at cmu.edu>
> > To: <200q20v at audifans.com>; "George Fairbanks" <fairbanks at cmu.edu>
> > Sent: Monday, April 10, 2006 8:45 PM
> > Subject: Power loss and white smoke
> >> Hey guys,
> >> I'm hoping that one of you can help me diagnose a problem I'm having.
> >> I've got a trustworthy local mechanic but he's not a 200 expert, nor
> >> even an Audi specialist.
> >> A bit of history -- probably three years ago I started the car on a
> >> morning and, for the first time, it put out a puff of smoke out the
> >> back. Since then the car has had a stinky exhaust when first started
> >> after sitting but it passes emissions just fine when warmed up. My
> >> mechanic guessed that some oil was making its way past the turbo and
> >> being burned off when first started. The car hasn't been using a
> >> noticeable amount of oil. I've been getting an indicated 1.7 bar of
> >> boost for a few years now instead of 1.8, but haven't been bothered
> >> enough to look into fixing that.
> >> Some of you might know this car as it's Greg Amy's old car. It's been
> >> running without incident for the past five years here in Pittsburgh
> >> while I'm working on my phd. It's got 193k miles on it now and I
> >> believe Greg's had the chip in there since about 100k miles.
> >> This past weekend I was accelerating hard (honestly, I don't do this
> >> often as I'm stuck in Pittsburgh, the city of potholes and I have
> >> cracked one rim here already) and heard a funny noise coincident with a
> >> dip in power. The noise was sort of like a "grunk". When I restarted
> >> the car about an hour later (I did let the car cool down before
> >> the car put out enough whitish smoke to really scare me.
> >> When the smoke went away after a couple seconds, however, the car ran
> >> fine for the rest of the day and for the return leg of my road trip
> >> miles). Gas mileage on the trip was normal too, 27 mpg on the highway.
> >> I have heard this grunk noise a couple times before but had chalked it
> >> up to mid-grade gas when the chip requires high octane, but was only
> >> half convinced it was premature detonation. Now I really don't think
> >> that's it.
> >> Any ideas on what the problem could be?
> >> Thanks in advance,
> >> -George
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