You may not have a problem with your intake manifold gaskets. I had a the same diagnosis and it ended up being a small crack in one of the vacuume hoses. I would check them before you shell out the $$$ for new gaskets.
99 CSVT Green/Tan 13,700Km
# 84 of 2760
For Sale
96 Contour GL 2.5 ATX 120,000Km
K&N Air Filter
Mobile 1
E1 SVT Wheels & BFG G-Force Rubber
Aluminum Painted Front Grill
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