[V8] 2002 A6 Quattro V8 4.2L. Starting problem

[Scott DeWitt]

Cats are more than likely a weld in proposition. Also you have pre cats as
well as main cats. So depending upon what the issue is you may need an
entire downpipe.

My A6 4.2 and S6 have been the most reliable Audi I've ever owned once I
got them all situated.

Scott


On Tue, August 13, 2013 10:56 am, John Zofchak wrote:
> Greetings Fellow Subscribers,  I am new to Audi as I have just purchased
> an
> A6, 2002 V8.
>
> It appears to have the potential to be a fantastic car.
> Needs new cat. Converters, N80 valve, B1 S1 O2 sensor,  Got an inspection
> from Audi for these results.
> Car has been driving quite well.  Right up to the point where it suddenly
> won't start.
> At least it got me home before dying.  Still have check engine light from
> the cat.s.
> Managed to find a Huge hole in a large vacuum line which Audi missed, got
> rid of the after-sucking noise.
> After trying to start one could here this vacuum release to atmosphere.
>  Cut and replaced hose.
> I see I am just the newest person to find incredible fault with a ( so
> called )
> Factory Service Manual.  For that price it should be more than a picture
> book. Bentley should be ashamed.
> My fuse panel shows only 3.5 V on several points until cranking then up to
> 10 V
> Including the ECU and the Fuel Pump.
>
> I live very in a very remote area and need better reliability than this.
> I have purchased new Davico Catalytic converters, N 80 valve, O2 sensor.
> Also got Irridium plugs, A Vortex generator, A K&N air filter.
> Was wondering if doing the converters is a DIY job or best left to the
> pro's?
>
> Any help on the starting would be greatly appreciated.
>
> Thank you from Windy Top
> John
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-- 
Thanks!
Scott DeWitt
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