Damn gremlins. HELP!! Options

[sleeperdsm]

Okay guys I got a stumper for ya! The patient is a '90 Talon TSI 2WD. About a month ago, the car began having a problem running. She would start, idle about 2K for 10 seconds, and then idle real rough until she died.

Had it towed to Mitsubishi and was told it was the gaskets for the intake and the fuel injectors and they wanted 800+ to do the work so my cousin and I said hell with that, and did it ourselves. While we were at it, we remove the Air conditioner from the block, and cut the hose that ran to it. Had very little problems but even with new gaskets, she does the same thing. Will run ok for about 10 sec then she will spit and sputter to death. She has an aftermarket boost guage and we arent reading any bosst on either that guage or the stocker boost guage. I didn't know if a vacum leak could cause this much trouble, but as far as we can tell, everything is run where it needs to be, or is properly capped off. I wanted a 10 sec car, but not one that only runs for 10 seconds. Help guys!!

[spyonu2007]

She has an aftermarket boost guage and we arent reading any bosst on either that guage or the stocker boost guage.

Id start there. Check for leaks on the boost/vacume side first. Easy check really. Is the hose blown off at the intercooler? Sometimes it looks like its on, and its really not. If you are not seeing boost, or vacuum on either gauge, Id say thats a sure fire way to get a car to run like butt... (keeping in mind the oem is electrical and not mechanical). Your aftermarket one should be reading in the vacuum range at idle even for 10 seconds.