Quote: Originally Posted by
matthew00029 
All intercooler pipes are upgraded? Everytime I have seen this problem (2 times) it ended up being a collapsed coupler of either the intake or IC piping. If it goes dead that means you are not getting air, how are the afr's when it happens?
yeah all ic pipes are fine. cti piping and jmb coldside. at 5600 the car doesnt go anywhere and the car goes lean (seems like fuel stops going to the car).
strange issue.