Re: what the heck is that sound?

[chris coracini <drone23@bellsouth.net>]

Sean Porter wrote:
> 
>         I know these cars are old, but this sound is sooo annoying...
> 
>         Just recently (or maybe I just hadn't noticed it) everytime I under-rev
> (even just alittle) I get this gross empty rattling sound.  If I step on the
> gas at that point, it just gets worse and doesn't go away till my revs are
> way up.  I have no idea what it is, except I hear it a lot on older cars.  I
> hate it!  Anyone know what I'm talking about?  Any way to fix it?  It just
> sounds almost like a can rattling or something... doesn't sound good.
> 
>         any suggestions?

sounds like your engine is knocking...  (predetonation).  the sound is
coming from your engine, right?  try retarding the ignition timing a few
degrees and see if it goes away.  if not, it's something loose (heat
sheild, exhuast...)

chris
86 16V scirocco

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