Re: Well now what?

[Anthony Pelletier <vwnuts@yahoo.com>]

Have you checked ignition timing?  I ask cause when they did your
timing belt I doubt they retimed it.  they figure if they don't move
the cam gear then they don't need to time it...
on another not when does it pop??  I had my 16v backfiring when my fuel
pump was dying...  It would pop when I would get on it.  Never during
decel.  Once in a while when I was cruising but really when I tromped
it.  If I did repeated runs on a low tank it would get worse.  I am not
sure if it was just the transfer cause I did both so now I am done with
it.  

.02
Tony

--- Daun Yeagley <vwdaun@yahoo.com> wrote:
> Some of you may recall that I've been having a
> problem with
> my '88 16v backfiring.  Well, maybe not backfiring,
> but it
> sure sounds like it - kind of a "popping" noise
> coming from
> towards the front of the car.  While trying to track
> down
> the mystery I noticed my exhaust manifold was
> cracked
> (REALLY cracked as it turned out), so I got a new
> one from
> Potterman and installed it yesterday evening.  Well,
> the
> problem remains.  It still "pops" (especially) on
> heavy
> acceleration, once in awhile while cruising, and
> sometimes
> while coasting.
> 
> Any clues as to what this could possibly be?  The
> *entire*
> exhaust system is now one year old - Techtonics
> 2.25"
> stainless, plus a Techtonics downpipe.  I asked a VW
> tech
> about it and his reply was "it's the aftermarket
> exhaust
> not producing the right backpressure" which I don't
> buy
> because it suddenly started this a little over a
> month and
> a half ago.  The timing belt was recently changed by
> VW so
> the timing should be correct.  (And it was doing
> this
> BEFORE the belt change as well)
> 
> I'm at a loss at this point.  I'm supposed to take
> the car
> on a little jaunt to Toronto tomorrow and it's quite
> embarrassing to be popping along while playing in
> traffic. 
> Any suggestions would be greatly appreciated.
> 
> TIA!
> 
> ===
> Daun Yeagley
> '79 Scirocco
> '81 Rabbit Pickup 
> '85 Scirocco 8v
> '88 Scirocco 16v
> There is a very fine line between "hobby" and
> "mental illness."  - Dave Barry
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