| Vacuum Pump Removed ?
I Have Removed My Vacuum Pump And I Was Wondering If The Code Po404c Will Go Away With The Ppe Program The Code Is For Lack Of The 15 Inches Of Vacuum To The Egr Valve
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2004 GMC 2500HD CREW CAB SHORT BED 4X4 AT LB7
6" FABTECH LIFT
S&B INTAKE
STRAIGHT PIPE
35" TIRES WITH MT WHEELS ( BLACKED OUT )
PPE STANDARD ( ON LEVEL 4 )
PPE BOOST VALVE
ALL AMSOIL FLUIDS | 
Linear Mode
