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post #1 of 3 (permalink) Old 02-19-2007, 06:37 PM Thread Starter
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Vacuum???

My car has an insane rough idle and I can hear a terrible vacuum leak.....but it's coming from under the upper intake....at least it sounds that way....are there any lines under there?? I did the head gasket job on my Bird and I don't remember seeing one....HELP!!!

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post #2 of 3 (permalink) Old 02-20-2007, 03:43 AM
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There's nothing under the upper intake as far as lines go. There's three lines at the back of the intake (PCV, fuel pressure regulator, EGR) but that's it. There's also the breather tube running from the driver-side valve cover to the intake tube. I wonder if the tee behind the intake manifold on the firewall might have cracked or a line come off. This might make it sound like it's coming from under the manifold when really it's behind the manifold. You might want to double check. Use carb cleaner and spray on the suspect area.

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post #3 of 3 (permalink) Old 02-21-2007, 07:44 PM Thread Starter
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UPDATE!!!

I pulled off my upper intake and found out that the lower intake was leaking and the gasket was blocking the injector from even going in the hole completely!!!!

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