On Jan 1, 8:10=A0am, roland franzius <roland.franz...@[EMAIL PROTECTED]
> wrote:
> BLH wrote:
> > I have just purchased a 1987 560SL with 94k original miles on it.
=A0It
> > clearly has an engine problem & I would like some advice on how to
> > diagnose it.
>
> > The car, apparently, was running fine until one day, the previous
owner
> > started it up & it had a tapping sound & was running very roughly.
>
> > This problem has nothing to do with the timing chain, rails, etc. as
> > they were just recently replaced (about 2 years & 10k miles ago)
>
> > Could this be a camshaft or rocker problem or ?
>
> > Thanks in advance for any suggestions on how to proceed with this.
>
> Engines often run rough if fuel/air is poor. Change fuel filter, check
> fuel pump, relais, pressure and injectors, cold start regulation, vacuum
> regulation lines and engine housing vacuum.
>
> --
>
> Roland Franzius
I'd also be suspicious that this car has way more than the 94K miles
on it. It would be very unusual for the timing chain to need
replacement at 84K miles.
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