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Re: 88 5ktq boost or lack thereof
I was under the impression that the colder it is, the more boost and
power. With my wastegate valve closed all the way, I need very cold temps
to get 1.7 bar.
**************************************************************************************************************************************************
*Steve Sachelle Babbar
*'84 5ksT 1.6-2.0 bar <SBABBAR@IRIS.NYIT.EDU>
*Cockpit adjustable wastegate, AudiSport badge
*
*Disclaimer:"Any information contained herein is based purely on my own
*personal experience and may not necessarily reflect yours. Use caution as
*your results may vary from mine."
********************************************************************************
On Thu, 26 Feb 1998 Sitk@aol.com wrote:
> In a message dated 98-02-26 13:42:15 EST, you write:
>
> << quattro@coimbra.ans.net >>
> I'm thinking the lack of boost is on the exhaust side and I'm guessing
> either the hot side of the turbo or a blockage in the exhaust system
> (cat?). What would be the best way to proceed to try and isolate the
> problem?
>
> What is the ambient air temp?
> Cold temps will cause your Audi's computer to limit boost. Also you shold only
> get boost of 1.3 to 1.4 max, your Audi boost is not true to readings on the
> digital read out your Audi puts out no boost until it reads over 1.0 unlike
> Porsches wich show actual boost.
>
> Did you replace the 4 point switch? it is actually a 3 point switch but it
> controls your temp guage and if it is failing you temp guage will work
> intermitently this can cause boost problems by over correction of fuel output
> by the computer.
>
> Also you may want to run a can of BG 44k injector cleaner through your Audi if
> that doesn't work you may need to replace your injectors.
>
> If this doesn't work E-mail me and I can give you what you need.
>