Still a vacuum problem. Weak vacuum caused by a leak somewhere or very poor
engine vacuum. I once had this problem on a Ford van in our A/C shop and it
was caused by a stopped up catalytic converter which was robbing the engine
of vacuum. the owner had not noticed that the van would barely make 60 mph
on the highway!
----- Original Message -----
From: "Jon N. Benignus" <blkwidow1@primary.net>
To: <dakota-truck@dakota-truck.net>
Sent: Thursday, April 10, 2003 10:18 PM
Subject: DML: Re: a/c cuts out
>
> The valve was supposed to
> retain vacuum during wot to keep the door from moving.
> Again we are not talking WOT operation! This occurs at part throttle.
> Uphill. downhill. no hill.
>
> Jon
> STL MO
>
>
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