The 20V that followed me home, a few problems

[Mike LaRosa]

--- TWFAUST at aol.com wrote:
> A month or two ago, I was followed home by a '91 90
> 20VQ. It has been hanging 
> out under my barn while I replaced the rear diff
> bushing and some fuel lines. 
> I don't have a Bentley yet (I prefer Haynes because
> the index is more 
> complete), but I have a few problems 
> 
> Whistling noise 
> There is a noise under the hood which I can only
> describe as a whistle. I 
> can't seem to locate it. I notice the alternator
> belt is loose, but I have never 
> heard a belt whistle. 

sorry no clue....

> 
> Slow return to idle 
> 
> If I run it up to 3000, it very slowly returns to
> about 2000 where it will 
> hang for about a minute. Then it will suddenly drop
> to 1400 and then slowly drop 
> to about 1000. 
> 
> Diesels 
> 
> When I shut it off today it ran on at about 600 rpm.
> It quit when I stepped 
> on the gas (just like the carburetor days) I had 89
> octane with a heavy dose of 
> Techron in it. 
>

91 octane minimum i'm pretty sure....

 
> Does the 20V have the dreaded "ISV"? 
> 
> I notice that if I pop the oil fill, there is no
> difference in idle. Vacuum 
> leak?
>

yup....

 
> Tom Faust
> 
>     
> 
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