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Hey guys, been tryig ot figure this out for a bit...

My BOV is stuck, I get compressor surge between shifts...I dont think this has anything to do with my idle, but both problems started at the same time, so I thought I'd throw it out there...

When the car is hot and I'm cooling down (idling) for 1.5-2 minutes after a good run, the car will idle fine for about a minute, then the RPM's will drop down almost 0, Vacuum shoots up close to 0, then the car re adjusts its idle and its fine...

Here whats I done...
I replaced the fuel filter last year (less than 5000Km's on it)
Replaced the Spark plug wires at the beginning of this year
New plugs (one step colder)
New PCV valve (SVO Mustang)
New Oil
K&N freshly cleaned and oiled
Cleaned out ProM MAF
Checked my vacuum lines..

Any other ideas? I'm going to run a compression check tonight if My freind brings back my tool...I'll also check the seal around the intake manifold to see if anything can be heard there.

I'm running the O2 sensor that came with the car 7 years ago, and it is very close to my turbo....could that cause a loopy idle?