Important Information/Story:
My check engine light came on while driving down the road. I get home and check the code. The codes it was throwing was "Exhaust Gas Recirculation Valve Low Lift/High Voltage" and "Exhaust Gas Recirculation Insufficient Flow". Car seems to be running fine except for slightly decreased gas-milage.

Since some certain year Honda/Acura Vehicles WEREN'T passing emissions, the cars have a 14year/150k emissions extension warranty on them...my car being one of them. I call up Ferman Acura and take my car in to get fixed. They put on a NEW EGR Vavle and cleaned out all the carbon build up in the EGR Ports behind the intake manifold.

I get the car back and it is running like SHIT! Its misfiring and stuttering like a bitch... no check engine light yet. I drive it home and after some reading and suggestions from Acura-cl.com, I unplug the vacuum hose comming out of the top of the EGR Valve. BAM, the car runs a hell of a lot better with the vacuum hose off. Check engine light finally comes on with "Mis-Fire in Cylinder 1". I call up Acura the next day and they said they would take a look at it and see if its anything they screwed up on. They can't find anything wrong with their work. They would have to charge me money to diagnois the problem.


Here is the Hose I disconnect:


Alright guys/gals.... what could this problem be?!?! Why would my car misfire and stutter with the EGR hooked up? Anybody willing to help me diagnois/fix this problem?

Things I have checked/glanced over:
1. Vacuum Lines Nearby
2. Electrical Connections Nearby

Misc. info:
*Engine: F22B1
*121,600 miles
*DC Sports 4-2-1 Header
*AEM CAI
*Custom Exhaust