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It also sounds like there is a hissing sound over near the TB now, which I don't remember being there before (vacuum leak?). I've checked and re-check that I reconnected everything, and was wondering if you guys had any suggestions? <img src="/forums/images/graemlins/angry.gif" alt="" />


I think you answered your own question there.

Double check:

Vacuum lines
TB gasket
Big intake elbow clamps
Idle air valve

You can always spray carb cleaner or similar around the area, and when the RPMS change, you found your leak.

My Truck: 1987 XtraCab DLX 22R 4WD 5 Speed Manual
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"Speed has never killed anyone. Suddenly becoming stationary, that's what gets you." -Jeremy Clarkson