Periodic backfire into intake on NG engine

[Mark R]

LMAO!  That's right up there with keeping a roll of black electrical
tape around to cover up warning lights on the dash!   ;-)

Loving it,
Mark

On 7/25/05, Sam Letzring <sletz at msn.com> wrote:
> I have exactly the same problem with my 86 4KCSQ.
> 
> Although, I have taken out the Idle stabilization system and replaced it
> with two rubber corks! So, when mine backfires the corks blow out!!
> 
> I keep a supply of corks in the glovebox.
> 
> I have no clue why it does it- but it does it once or twice a month.
> 
> sam
> 
> 
> ----- Original Message -----
> From: "David" <duandcc_forums at cox.net>
> To: <quattro at audifans.com>
> Sent: Monday, July 25, 2005 11:45 AM
> Subject: Periodic backfire into intake on NG engine
> 
> 
> > Patient is my 1987 Coupe GT 2.3. This has hppened 2 or 3 times. I will be
> cranking to start her, I hear a bang or pop and she wont start or runs
> terribly. Upon inspection, I find that a vacuum hose has popped off or been
> "popped" by excessive pressure. The first time, I assume ti was jsut loose
> to begin with and had popped loose. But the pop/bag noise makes me wonder if
> it might be a back-fire into the intake. So, any thoughts on what would
> caudse her to back-fire into the intake? Doesn't happen often, but is really
> inconvenient when it happens and disables the car just when I need her
> most...
> >
> > Dave
> > 1987 CGT 2.3
> > SE VA
> >
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> > quattro at audifans.com
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> 
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