[Biturbos4] Engine DTC help request

Single Malt s_malt at yahoo.com
Wed May 17 11:45:35 EDT 2006

--- Ti Kan <ti at amb.org> wrote:

> So, all seems ok at this point, but I wonder if the
> DTC might be a sign
> that the diverter valves are wearing out?  Mine are
> the original ones
> that came with the car.

Hi Ti! (heh heh, that's fun to say ...)

Use a vacuum pump on the little nipple on the top of
the diverter valve(s)(you can carefully pry the vac
hose from it without destroying the "use once" clamp -
it takes patience to get the vac line back on however)
.... if it holds vacuum, the diaphram (that is the
typical failure point) is probably OK.  If it won't
hold vacuum .... well you know what that means.

'01.5 S4 Sedan
'03 A4 3.0 Sedan
'87 4000 CSq (f'in sweet, baby)
Garaged at 9200ft
just outside Denver, CO

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