| Hey, I agree with AsaHerring... you could have other boost leaks around the clutch and break boost assistance. that would also cause rough idle and running. do a boost leak test or at least have a good look at all the hoses around there (no mater how small). you need a boost leak test plug, plenty of info on the net for them and I'm sure you can buy them ready made (I made my own) it goes in place of the MAF. then pressurize the system (you don't need more that 15 psi) and listen for leaks, alternatively you could use some smoke matches for a visual check. but you need to rig it up so you can attache them to the inside of the plug without burning anything... :) best of luck. this is what mine look like..

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