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i was idling in a parkin lot gettin ready to leave work, and all of a sudden the sound from the engine changes a bit, and my boost gauge was showin a vacuum of only 9-10 in/hg at idle. drivin home i push it a little to see what it does, boosts consistently to 10-11 psi, boost control was set to 15 psi.
the engine sounds a bit different when i rev it a bit (unless im just paranoid.. very well could be). it stills pulls normally as if it were running 10 psi (it should be at 15 though). i noticed right after it happened in the parking lot, when i revved it a bit from 2000-3000 rpm, instead of just jumpin up, in a split second it dropped 100 or so rpm before goin up.
a quick under the hood inspection turned up nothin, no easily visible vacuum lines that were disconnected or anything like that. anyone have and suggestions as to what the problem could be?
the engine sounds a bit different when i rev it a bit (unless im just paranoid.. very well could be). it stills pulls normally as if it were running 10 psi (it should be at 15 though). i noticed right after it happened in the parking lot, when i revved it a bit from 2000-3000 rpm, instead of just jumpin up, in a split second it dropped 100 or so rpm before goin up.
a quick under the hood inspection turned up nothin, no easily visible vacuum lines that were disconnected or anything like that. anyone have and suggestions as to what the problem could be?
