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Vaccuum Squeal after Head gasket replace

hesersypb

New member
1999 GP GT.

Replaced Head gaskets, LIM gaskets, Upper Plenum. I now have a vacuum squeal at around 1000 rpm. Doesn't happen all the time. I tried spraying around engine with intake cleaner and nothing. It also seems to have an excessive amout of vaccuum, I can hear the intake(CAI) sucking. When I open Oil fill cap while running the car dies. If I leave oil dipstick out no squeal.

Any Ideas. I do not have a high end scan tool(I think would help)
 


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