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Well not sure this is a factory spec ECU but on this I am going to guess 24-25PSI on this ECU. Until I knew what the gauge was actually reading I was not sure.
Well, sorry if I hijacked any ones thread but it was on the same topic as we were discussing.
Just to finish off everything. I did a compression test yesterday morning before changing the spark plugs. Compression was great at 180 across all 4 cylinders so luckily I did not "pop" anything and what I experienced had to be the boost cut.
Car starts much better now and is not hesitating in the upper rpms any more.