Re: WGFV?

[Brett Dikeman <brett@pdikeman.ne.mediaone.net>]

The computer bases fuel dispensing based on the actual airflow past the 
airflow sensor.

The WGFV is one of the most common failures on the 200q20v; the valve is 
practically infamous.  They last about 60K and then just plain stop 
working.  Characteristic is great response up until 1.4bar where the car 
sorta bottoms out; it feels like there "should be more there."  The stock 
wastegate can't limit boost to anything below 1.4bar when fully open.

As to hot-rodding, I wouldn't worry.  The tire guys don't care about some 
"cushy german car"; they're interested in mustangs and other obvious sports 
cars.  Plus, the milage is recorded by them before and after; they've 
always asked -me- for the milage, taken a look, then done repairs etc.

If the milage is more than 1/10th of a mile, start asking questions.  You 
will get the manager's attention -VERY- quickly indeed if the milage is 
different from what's on the sheet.  The insurance/liability is tremendous 
enough for the managers to pound it into the heads of the mechanics that 
there is -no- "Ferris Bueler" screwing around with a customer owned car.

Brett

> Hello All,
>
> Question: Is there anything detrimental about driving around with your WGVF
> unplugged? I mean, besides driving around with a 3,800 lb vehicle and about
> 125 bhp?
>
> The reason I ask is I have dropped my S4 off for snow tires, and Paintless
> Dent Repair recently and I unplugged the electrical connector for the valve.
>
> Why? With the valve unplugged I get 6 psig of boost max (as opposed to 30
> psig) and it makes for a very slow ride (thing can't even get out of its own
> way) and accordingly a great "Valet Mode," if you get my drift? I figured I
> didn't want the tire / pdr guys hot-rodding my car around.
>
> 6 psig is the baseline set by the stock WG spring, WG only closes enough to
> provide 6 psig, the turbo is not working very hard at all. No harm, no foul?
> Or is the computer sensing something wrong and trying to add boost and or
> fuel , etc?
>
> Thoughts?
>
> Frank--

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Brett Dikeman
brett@pdikeman.ne.mediaone.net
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