Yea it could be... with the old component reinstalled the engine bogged when I sprayed underneath the intake plenum. So I replaced the intake plenum, bolts, and gaskets, and it didn't fix it. I even had a mechanic friend check and tightened the bolts. Taking everything apart just to remove the intake plenum is a pain. I've done it several times, and I don't have the time and patience to do it anymore.
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