Sounds like a vacuum leak in the rubber hose between the VAF and the
throttle body. My guess is that when you put it in neutral or reverse, it
compresses the boot, so the tear isn't an issue, but when you put it in
drive, it stretches the tear, and the vacuum leak manifests. Remove the
boot and inspect it for a hole. If you find one, try taping it up with
electrical tape from the outside and re-install it. If that works, then
you
know you need to buy a new boot.
And no, they don't have modulator valves.
"bccarver" <bccarver825@[EMAIL PROTECTED]
> wrote in message
news:b65e0cd5763bffcb07238fa91c6174f7@[EMAIL PROTECTED]
> Have a 90 Probe GL and the problem is... when you put it in drive, it
dies
> but will run fine in Reverse and neutral, losing transmission fluid. I
> figured it was the modulator valve gone bad, but a buddy of mine said it
> didn't have a mod.valve. I am at a loss...Can someone help me???
>
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